Q: What is the negative version of the number 20,420,017?
A: -20,420,017
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:
| 20,420,015 | 20,420,016 | 20,420,018 | 20,420,019 |
| -20,420,015 | -20,420,016 | -20,420,018 | -20,420,019 |