Q: What is the negative version of the number 20,731,409?
A: -20,731,409
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:
| 20,731,407 | 20,731,408 | 20,731,410 | 20,731,411 |
| -20,731,407 | -20,731,408 | -20,731,410 | -20,731,411 |