Q: What is the negative version of the number 20,131,309?
A: -20,131,309
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:
| 20,131,307 | 20,131,308 | 20,131,310 | 20,131,311 |
| -20,131,307 | -20,131,308 | -20,131,310 | -20,131,311 |