Q: What is the negative version of the number 20,510,999?
A: -20,510,999
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:
| 20,510,997 | 20,510,998 | 20,511,000 | 20,511,001 |
| -20,510,997 | -20,510,998 | -20,511,000 | -20,511,001 |