The cardinal number 20 is spelled "twenty". The ordinal is "twentieth".
Chat with our AI personalities
20 is an even number.
55 is the middle number on a number line from 20 to 90.
83 over 20 as a mixed number = 43/20
20
You can solve this algebraically. Let n be a number.20 - 2n = 5020 = 50 + 2n2n = -30n = -15The number is -15Verify: 20 - 2(-15) = 20 + 30 = 50