20633139513884 has 12 divisors (see below), whose sum is σ = 38231993805264. Its totient is φ = 9709712712384.

The previous prime is 20633139513881. The next prime is 20633139513947. The reversal of 20633139513884 is 48831593133602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633139513881) by changing a digit.

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, 151714261064 + ... + 151714261199.

It is an arithmetic number, because the mean of its divisors is an integer number (3185999483772).

Almost surely, 2^{20633139513884} is an apocalyptic number.

It is an amenable number.

20633139513884 is a deficient number, since it is larger than the sum of its proper divisors (17598854291380).

20633139513884 is a wasteful number, since it uses less digits than its factorization.

20633139513884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303428522284 (or 303428522282 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 20633139513884 in words is "twenty trillion, six hundred thirty-three billion, one hundred thirty-nine million, five hundred thirteen thousand, eight hundred eighty-four".