20164764050 has 24 divisors (see below), whose sum is σ = 37518598656. Its totient is φ = 8063295440.

The previous prime is 20164764041. The next prime is 20164764089. The reversal of 20164764050 is 5046746102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20164764050.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 94679 + ... + 222021.

It is an arithmetic number, because the mean of its divisors is an integer number (1563274944).

Almost surely, 2^20164764050 is an apocalyptic number.

20164764050 is a deficient number, since it is larger than the sum of its proper divisors (17353834606).

20164764050 is a wasteful number, since it uses less digits than its factorization.

20164764050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130522 (or 130517 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 20164764050 in words is "twenty billion, one hundred sixty-four million, seven hundred sixty-four thousand, fifty".