2 times 20

2 times 20 is 40. In symbols: 2 × 20 = 40, and 20 × 2 = 40 too.

Repeated addition

2 × 20 means adding 2 to itself 20 times: that is 20 copies of 2, which add up to 40.

Skip counting by 2

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ... (keep going to the 20th multiple). The 20th multiple of 2 is 40.

Split into tens and ones

2 × 20 = 2 × 20 = 40 = 40.

Double and halve

Halve one number and double the other: 2 × 20 = 1 × 40 = 40.

Division facts

40 ÷ 2 = 20
40 ÷ 20 = 2

About 40

40 is even. Prime factorization: 2 × 2 × 2 × 5.

Nearby multiplications

MultiplicationAnswer
3 × 2060
2 × 1938
2 × 2142
2 × 2244
2 × 1836
4 × 2080

See also: factors of 40.

Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.