Alternative forms

• Arabic numerals: 20
• Roman numerals: XX

Etymology

Numeral

1. The cardinal number 20, occurring after nineteen and before twenty-one.

Noun

1. A banknote with a denomination of $20.

   The waiter’s face lit up when I gave him a twenty.

2. 10-20 (location).

   What’s your twenty, good buddy?

3. A set of twenty push-ups.

   Drop and give me twenty, Ric! (Recruit.)