2050806636 has 36 divisors (see below), whose sum is σ = 5189095912. Its totient is φ = 682928064.

The previous prime is 2050806623. The next prime is 2050806649. The reversal of 2050806636 is 6366080502.

It is an interprime number because it is at equal distance from previous prime (2050806623) and next prime (2050806649).

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2050806636.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9615 + ... + 64761.

Almost surely, 2^2050806636 is an apocalyptic number.

It is an amenable number.

2050806636 is an abundant number, since it is smaller than the sum of its proper divisors (3138289276).

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

2050806636 is a wasteful number, since it uses less digits than its factorization.

2050806636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56190 (or 56185 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2050806636 is about 45285.8326190432. The cubic root of 2050806636 is about 1270.5006883564.

The spelling of 2050806636 in words is "two billion, fifty million, eight hundred six thousand, six hundred thirty-six".