2050656560 has 20 divisors (see below), whose sum is σ = 4767776688. Its totient is φ = 820262592.

The previous prime is 2050656551. The next prime is 2050656583. The reversal of 2050656560 is 656560502.

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

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2050656560.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12816524 + ... + 12816683.

Almost surely, 2^2050656560 is an apocalyptic number.

2050656560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050656560 is an abundant number, since it is smaller than the sum of its proper divisors (2717120128).

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

2050656560 is a wasteful number, since it uses less digits than its factorization.

2050656560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25633220 (or 25633214 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2050656560 is about 45284.1756025215. The cubic root of 2050656560 is about 1270.4696962727.

The spelling of 2050656560 in words is "two billion, fifty million, six hundred fifty-six thousand, five hundred sixty".