Consecutive Numbers and Deletion

Yossi wrote 10 consecutive natural numbers on the board. Danny erased one of the numbers. The sum of the remaining numbers on the board is 2020.
Which number was erased?

Algebra -> Word Problems Algebra -> Sequences Arithmetic -> Division with Remainder

Sources:

Young Mathematician Olympiad, 2020-2021, Stage A, Grades 7-8 Question 5

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