Q: What is the negative version of the number 20,731,405?
A: -20,731,405
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:
| 20,731,403 | 20,731,404 | 20,731,406 | 20,731,407 |
| -20,731,403 | -20,731,404 | -20,731,406 | -20,731,407 |