Q: What is the negative version of the number 20,421,242?
A: -20,421,242
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:
| 20,421,240 | 20,421,241 | 20,421,243 | 20,421,244 |
| -20,421,240 | -20,421,241 | -20,421,243 | -20,421,244 |