20 times 23 is 460. In symbols: 20 × 23 = 460, and 23 × 20 = 460 too.
20 × 23 means adding 20 to itself 23 times: that is 23 copies of 20, which add up to 460.
20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, ... (keep going to the 23th multiple). The 23th multiple of 20 is 460.
20 × 23 = 20 × 20 + 20 × 3 = 400 + 60 = 460.
Halve one number and double the other: 20 × 23 = 10 × 46 = 460.
460 ÷ 20 = 23
460 ÷ 23 = 20
460 is even. Prime factorization: 2 × 2 × 5 × 23.
| Multiplication | Answer |
|---|---|
| 19 × 23 | 437 |
| 21 × 23 | 483 |
| 20 × 22 | 440 |
| 20 × 24 | 480 |
| 20 × 25 | 500 |
| 20 × 21 | 420 |
| 22 × 23 | 506 |
| 18 × 23 | 414 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.