20027088256 has 32 divisors (see below), whose sum is σ = 45597390480. Its totient is φ = 8583037440.

The previous prime is 20027088251. The next prime is 20027088269. The reversal of 20027088256 is 65288072002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×20027088256² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027088251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11174935 + ... + 11176726.

Almost surely, 2^20027088256 is an apocalyptic number.

It is an amenable number.

20027088256 is an abundant number, since it is smaller than the sum of its proper divisors (25570302224).

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

20027088256 is an equidigital number, since it uses as much as digits as its factorization.

20027088256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351682 (or 22351670 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 20027088256 in words is "twenty billion, twenty-seven million, eighty-eight thousand, two hundred fifty-six".