2020660880 has 40 divisors (see below), whose sum is σ = 5369186112. Its totient is φ = 692797824.

The previous prime is 2020660871. The next prime is 2020660913. The reversal of 2020660880 is 880660202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803602 + ... + 1804721.

Almost surely, 2^2020660880 is an apocalyptic number.

2020660880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020660880 is an abundant number, since it is smaller than the sum of its proper divisors (3348525232).

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

2020660880 is a wasteful number, since it uses less digits than its factorization.

2020660880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608343 (or 3608337 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2020660880 is about 44951.7617007387. The cubic root of 2020660880 is about 1264.2447084034.

The spelling of 2020660880 in words is "two billion, twenty million, six hundred sixty thousand, eight hundred eighty".