Q: What is the negative version of the number 20,215,240?
A: -20,215,240
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:
| 20,215,238 | 20,215,239 | 20,215,241 | 20,215,242 |
| -20,215,238 | -20,215,239 | -20,215,241 | -20,215,242 |