20633342264 has 16 divisors (see below), whose sum is σ = 38849392800. Its totient is φ = 10273504192.

The previous prime is 20633342227. The next prime is 20633342281. The reversal of 20633342264 is 46224333602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5393837 + ... + 5397660.

It is an arithmetic number, because the mean of its divisors is an integer number (2428087050).

Almost surely, 2^20633342264 is an apocalyptic number.

It is an amenable number.

20633342264 is a deficient number, since it is larger than the sum of its proper divisors (18216050536).

20633342264 is a wasteful number, since it uses less digits than its factorization.

20633342264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10791742 (or 10791738 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 20633342264 its reverse (46224333602), we get a palindrome (66857675866).

The spelling of 20633342264 in words is "twenty billion, six hundred thirty-three million, three hundred forty-two thousand, two hundred sixty-four".