2020880 has 20 divisors (see below), whose sum is σ = 4698732. Its totient is φ = 808320.

The previous prime is 2020877. The next prime is 2020883. The reversal of 2020880 is 880202.

It is an interprime number because it is at equal distance from previous prime (2020877) and next prime (2020883).

It can be written as a sum of positive squares in 2 ways, for example, as 473344 + 1547536 = 688^2 + 1244^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2020883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12551 + ... + 12710.

2^2020880 is an apocalyptic number.

2020880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020880 is an abundant number, since it is smaller than the sum of its proper divisors (2677852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020880 is a wasteful number, since it uses less digits than its factorization.

2020880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25274 (or 25268 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2020880 is about 1421.5765895653. The cubic root of 2020880 is about 126.4290404887.

The spelling of 2020880 in words is "two million, twenty thousand, eight hundred eighty".