20577327133 has 16 divisors (see below), whose sum is σ = 22587102720. Its totient is φ = 18591070000.

The previous prime is 20577327109. The next prime is 20577327143. The reversal of 20577327133 is 33172377502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20577327133 - 2⁵ = 20577327101 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 (20577327103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281408 + ... + 1297366.

It is an arithmetic number, because the mean of its divisors is an integer number (1411693920).

Almost surely, 2^20577327133 is an apocalyptic number.

It is an amenable number.

20577327133 is a deficient number, since it is larger than the sum of its proper divisors (2009775587).

20577327133 is a wasteful number, since it uses less digits than its factorization.

20577327133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16688.

The product of its (nonzero) digits is 185220, while the sum is 40.

The spelling of 20577327133 in words is "twenty billion, five hundred seventy-seven million, three hundred twenty-seven thousand, one hundred thirty-three".