Q: What is the negative version of the number 20,688,210?
A: -20,688,210
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:
| 20,688,208 | 20,688,209 | 20,688,211 | 20,688,212 |
| -20,688,208 | -20,688,209 | -20,688,211 | -20,688,212 |