Q: What is the negative version of the number 20,816,210?
A: -20,816,210
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:
| 20,816,208 | 20,816,209 | 20,816,211 | 20,816,212 |
| -20,816,208 | -20,816,209 | -20,816,211 | -20,816,212 |