Q: What is the negative version of the number 20,109,999?
A: -20,109,999
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:
| 20,109,997 | 20,109,998 | 20,110,000 | 20,110,001 |
| -20,109,997 | -20,109,998 | -20,110,000 | -20,110,001 |