20756775365327 has 8 divisors (see below), whose sum is σ = 21873981567360. Its totient is φ = 19642043597400.

The previous prime is 20756775365321. The next prime is 20756775365357. The reversal of 20756775365327 is 72356357765702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20756775365327 - 2²² = 20756771171023 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 (20756775365321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618591299 + ... + 618624852.

It is an arithmetic number, because the mean of its divisors is an integer number (2734247695920).

Almost surely, 2^{20756775365327} is an apocalyptic number.

20756775365327 is a deficient number, since it is larger than the sum of its proper divisors (1117206202033).

20756775365327 is a wasteful number, since it uses less digits than its factorization.

20756775365327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237217053.

The product of its (nonzero) digits is 388962000, while the sum is 65.

The spelling of 20756775365327 in words is "twenty trillion, seven hundred fifty-six billion, seven hundred seventy-five million, three hundred sixty-five thousand, three hundred twenty-seven".