Twenty Terrific Facts About The Number 20

Facts about the number 20
Shash Wighton
|3 mins read

Over the ages, people have attributed many facts to numbers.

Numerology, superstition, important dates, and so many other things cling to various numbers, which in some cases gives them great significance!

Today let’s take a look at 20 interesting facts about the number 20

The number 20 is also sometimes called a score, particularly in older English literature.

The atomic number of the chemical element Calcium is 20. Calcium is actually a metal that’s alkaline in nature, but most people are familiar with it due to its high concentration in milk.

If someone has 20/20 vision it means that they have perfect eyesight. The idea behind this is that if you can read a specific set of letters on a chart at a distance of 20 feet, then your vision couldn’t get any better! Although the metric equivalent of this would be 6/6, with perfect vision at 6 meters, most countries that use the metric system still refer to it as 20/20.

If you’re only good at seeing what happens only after it’s happened then you’re said to have 20/20 hindsight.

Twenty20 is something different altogether, even though it sounds the same out loud. It actually refers to a specific variation of the game of cricket, where each team is only allowed to play for 20 overs in total.

According to developmental psychology, we’re not adults until we reach the age of 20. Developmental psychology is a form of science that studies how and why we change throughout our lives.

The age of majority, which is the age one legally becomes an adult, used to be 20 in Japan. In 2018 this was changed and now it is 18.

If you want to call anyone in Egypt, don’t forget the number 20! When you call, you must dial +20 before dialing a phone number.

Prepare for an absolute shocker of a fact – in the game Twenty Questions there are, in fact, twenty questions!

Have you ever picked up a Rubik’s Cube and struggled away at it for hours on end? It turns out that a Rubik’s Cube can always be solved in 20 moves or less, no matter how mixed up it is!

In the sixteenth century, a Hungarian king called Mathius Corvinus declared that one in every twenty households was required to furnish his army with a fully armed soldier and a horse. The Hungarian word for 20 is husz, and these soldiers on horseback became known as hussars.

There are a total of 20 different possible moves that you can legally play at the beginning of a game of chess.

In Australian Rules Football (AFL) a game is made up of four 20 minute quarters.

In the US college basketball is governed by a few different organizations. Under the NCAA basketball rules, a game is made up of two 20 minute halves.

Ice Hockey rules, on the other hand, stipulate three 20 minute thirds!

A 20th wedding anniversary is referred to as a China Anniversary. It’s a tradition on a china anniversary to give your husband or wife something made out of china.

A shape with 20 sides, or faces, is called an icosahedron. Every face of an icosahedron is an equilateral triangle.

The UK’s £20 banknote has a picture of Adam Smith on it. Adam Smith was a famous philosopher, economist, and writer. On the February 20, 2020, the paper £20 note was replaced by a polymer note.

In the far south of the district of Lincolnshire, UK, lies the hamlet of Twenty. A hamlet is defined as being either a small or a very small human settlement. Twenty is so small that there is no official record of how many people live there.

The Wikipedia page for a complete and utterly insignificant hamlet called Twenty, Lincolnshire, is longer than the entire Wikipedia entry for 20 (the number).

When it comes to age, 20 is a rather strange one! While some cultures consider you an adult and allow you complete freedom, others still don’t until you’re 21.

20 is an interesting number in terms of many things, not just age though.

One of the more fascinating points is how we used to use it as a base for counting!

There are a total of 20 different possible moves that you can legally play at the beginning of a game of chess.

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