20738356832056 has 32 divisors (see below), whose sum is σ = 39329938692000. Its totient is φ = 10250424239616.

The previous prime is 20738356831909. The next prime is 20738356832227. The reversal of 20738356832056 is 65023865383702.

It is a congruent number.

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, 62860 + ... + 6440548.

It is an arithmetic number, because the mean of its divisors is an integer number (1229060584125).

Almost surely, 2^{20738356832056} is an apocalyptic number.

It is an amenable number.

20738356832056 is a deficient number, since it is larger than the sum of its proper divisors (18591581859944).

20738356832056 is a wasteful number, since it uses less digits than its factorization.

20738356832056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382351 (or 6382347 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 20738356832056 in words is "twenty trillion, seven hundred thirty-eight billion, three hundred fifty-six million, eight hundred thirty-two thousand, fifty-six".