Q: What is the negative version of the number 20,400,505?
A: -20,400,505
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:
| 20,400,503 | 20,400,504 | 20,400,506 | 20,400,507 |
| -20,400,503 | -20,400,504 | -20,400,506 | -20,400,507 |