Q: What is the negative version of the number 20,891,091?
A: -20,891,091
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:
| 20,891,089 | 20,891,090 | 20,891,092 | 20,891,093 |
| -20,891,089 | -20,891,090 | -20,891,092 | -20,891,093 |