Q: What is the negative version of the number 20,615,491?
A: -20,615,491
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 20,615,489 | 20,615,490 | 20,615,492 | 20,615,493 |
| -20,615,489 | -20,615,490 | -20,615,492 | -20,615,493 |