Q: What is the negative version of the number 20,215,242?
A: -20,215,242
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:
| 20,215,240 | 20,215,241 | 20,215,243 | 20,215,244 |
| -20,215,240 | -20,215,241 | -20,215,243 | -20,215,244 |