Q: What is the negative version of the number 20,781,142?
A: -20,781,142
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:
| 20,781,140 | 20,781,141 | 20,781,143 | 20,781,144 |
| -20,781,140 | -20,781,141 | -20,781,143 | -20,781,144 |