Q: What is the negative version of the number 20,209,161?
A: -20,209,161
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:
| 20,209,159 | 20,209,160 | 20,209,162 | 20,209,163 |
| -20,209,159 | -20,209,160 | -20,209,162 | -20,209,163 |