Q: What is the negative version of the number 20,018,209?
A: -20,018,209
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:
| 20,018,207 | 20,018,208 | 20,018,210 | 20,018,211 |
| -20,018,207 | -20,018,208 | -20,018,210 | -20,018,211 |