Q: What is the negative version of the number 20,199,991?
A: -20,199,991
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:
| 20,199,989 | 20,199,990 | 20,199,992 | 20,199,993 |
| -20,199,989 | -20,199,990 | -20,199,992 | -20,199,993 |