Q: What is the negative version of the number 21,564,660?
A: -21,564,660
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:
| 21,564,658 | 21,564,659 | 21,564,661 | 21,564,662 |
| -21,564,658 | -21,564,659 | -21,564,661 | -21,564,662 |