Q: What is the negative version of the number 20,517,223?
A: -20,517,223
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:
| 20,517,221 | 20,517,222 | 20,517,224 | 20,517,225 |
| -20,517,221 | -20,517,222 | -20,517,224 | -20,517,225 |