Q: What is the negative version of the number 20,215,231?
A: -20,215,231
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:
| 20,215,229 | 20,215,230 | 20,215,232 | 20,215,233 |
| -20,215,229 | -20,215,230 | -20,215,232 | -20,215,233 |