20036562956 has 24 divisors (see below), whose sum is σ = 36278943120. Its totient is φ = 9671262272.

The previous prime is 20036562929. The next prime is 20036562977. The reversal of 20036562956 is 65926563002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068695 + ... + 1087281.

It is an arithmetic number, because the mean of its divisors is an integer number (1511622630).

Almost surely, 2^20036562956 is an apocalyptic number.

It is an amenable number.

20036562956 is a deficient number, since it is larger than the sum of its proper divisors (16242380164).

20036562956 is a wasteful number, since it uses less digits than its factorization.

20036562956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27913 (or 27911 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 20036562956 in words is "twenty billion, thirty-six million, five hundred sixty-two thousand, nine hundred fifty-six".