Who am I? I have 2 in the ten thousands and the units place. The rest of my digits are 0.

20,002

Based on the information provided, you are the number 20,000.

To find out who you are, we can analyze the given information. You have 2 in the ten thousands place and also in the units place, which means your number should look like this: 20,0__,0__.

Since the rest of the digits are 0, we can conclude that you have zeros in the thousands and hundreds places: 20,000,0__,0__.
Finally, the only digit remaining is the one in the tens place, and since you didn't provide any information about it, it can be any number from 0 to 9.
Therefore, you could be any number between 20,000,000 and 20,000,099, depending on the value in the tens place.