20653082335872 has 192 divisors, whose sum is σ = 67924390522560. Its totient is φ = 5900637818880.

The previous prime is 20653082335849. The next prime is 20653082335883. The reversal of 20653082335872 is 27853328035602.

It is a happy number.

20653082335872 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 30 + 8 + 23 + 3 + 587 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 306341847 + ... + 306409257.

It is an arithmetic number, because the mean of its divisors is an integer number (353772867305).

Almost surely, 2^{20653082335872} is an apocalyptic number.

It is an amenable number.

20653082335872 is an abundant number, since it is smaller than the sum of its proper divisors (47271308186688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20653082335872 is a wasteful number, since it uses less digits than its factorization.

20653082335872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105431 (or 105416 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 20653082335872 in words is "twenty trillion, six hundred fifty-three billion, eighty-two million, three hundred thirty-five thousand, eight hundred seventy-two".