Q: What is the negative version of the number 20,102,209?
A: -20,102,209
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:
| 20,102,207 | 20,102,208 | 20,102,210 | 20,102,211 |
| -20,102,207 | -20,102,208 | -20,102,210 | -20,102,211 |