What is 20 of 100?

1. The number 20 is an even number.
2. In Roman numerals, 20 is written as XX.
3. Twenty is the atomic number of calcium.
4. The 20th Amendment of the United States Constitution sets the beginning and ending dates for the terms of the president and Congress.
5. In the standard measurement system, there are 20 units in a score.
6. The sum of the first 20 positive integers is 210.
7. 20 is the number of amino acids that are used to build proteins in living organisms.
8. The 20th century spanned from January 1, 1901, to December 31, 2000.
9. "20 Questions" is a classic game where one person thinks of an object, and the other players have to guess what it is by asking yes or no questions.
10. In the UK, the legal drinking age is 20 for purchasing alcohol in licensed premises.
11. 20 is the number of sides on an icosahedron, a polygon with 20 faces and 20 vertices.
12. The 20-dollar bill in the United States features a portrait of President Andrew Jackson.
13. The 20th anniversary is traditionally celebrated with china gifts.
14. There are 20 teams in the English Premier League football competition.
15. The chemical element with atomic number 20 is calcium.
16. Abraham Lincoln was the 20th President of the United States.
17. In Greek mythology, there are 20 main Olympian gods.
18. There are 20 cards in a standard deck of tarot cards.
19. A 20-sided dice is commonly used in role-playing games.
20. The 20th century saw significant advancements in technology, including the development of computers and the internet.