2656015020 has 36 divisors (see below), whose sum is σ = 8056579440. Its totient is φ = 708270624.

The previous prime is 2656014971. The next prime is 2656015123. The reversal of 2656015020 is 205106562.

2656015020 is a `hidden beast` number, since 2 + 6 + 5 + 601 + 50 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7377640 + ... + 7377999.

Almost surely, 2^2656015020 is an apocalyptic number.

2656015020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2656015020 is an abundant number, since it is smaller than the sum of its proper divisors (5400564420).

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

2656015020 is a wasteful number, since it uses less digits than its factorization.

2656015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14755654 (or 14755649 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2656015020 is about 51536.5406289557. The cubic root of 2656015020 is about 1384.8737250582.

The spelling of 2656015020 in words is "two billion, six hundred fifty-six million, fifteen thousand, twenty".