Q: What is the negative version of the number 20,431,405?
A: -20,431,405
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:
| 20,431,403 | 20,431,404 | 20,431,406 | 20,431,407 |
| -20,431,403 | -20,431,404 | -20,431,406 | -20,431,407 |