20327055765 has 32 divisors (see below), whose sum is σ = 32918866560. Its totient is φ = 10709462016.

The previous prime is 20327055751. The next prime is 20327055767. The reversal of 20327055765 is 56755072302.

It is a happy number.

It is not a de Polignac number, because 20327055765 - 2⁵ = 20327055733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20327055767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1586274 + ... + 1599036.

It is an arithmetic number, because the mean of its divisors is an integer number (1028714580).

Almost surely, 2^20327055765 is an apocalyptic number.

It is an amenable number.

20327055765 is a deficient number, since it is larger than the sum of its proper divisors (12591810795).

20327055765 is a wasteful number, since it uses less digits than its factorization.

20327055765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053.

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 20327055765 in words is "twenty billion, three hundred twenty-seven million, fifty-five thousand, seven hundred sixty-five".