20856793736701 has 32 divisors (see below), whose sum is σ = 24567745289472. Its totient is φ = 17548388605440.

The previous prime is 20856793736693. The next prime is 20856793736743. The reversal of 20856793736701 is 10763739765802.

It is a cyclic number.

It is not a de Polignac number, because 20856793736701 - 2³ = 20856793736693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20856793716701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19255950 + ... + 20310223.

It is an arithmetic number, because the mean of its divisors is an integer number (767742040296).

Almost surely, 2^{20856793736701} is an apocalyptic number.

It is an amenable number.

20856793736701 is a deficient number, since it is larger than the sum of its proper divisors (3710951552771).

20856793736701 is a wasteful number, since it uses less digits than its factorization.

20856793736701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39566293.

The product of its (nonzero) digits is 80015040, while the sum is 64.

The spelling of 20856793736701 in words is "twenty trillion, eight hundred fifty-six billion, seven hundred ninety-three million, seven hundred thirty-six thousand, seven hundred one".