Q: What is the negative version of the number 20,131,440?
A: -20,131,440
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:
| 20,131,438 | 20,131,439 | 20,131,441 | 20,131,442 |
| -20,131,438 | -20,131,439 | -20,131,441 | -20,131,442 |