20536133446572 has 12 divisors (see below), whose sum is σ = 47917644708696. Its totient is φ = 6845377815520.

The previous prime is 20536133446553. The next prime is 20536133446613. The reversal of 20536133446572 is 27564433163502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855672226929 + ... + 855672226952.

It is an arithmetic number, because the mean of its divisors is an integer number (3993137059058).

Almost surely, 2^{20536133446572} is an apocalyptic number.

It is an amenable number.

20536133446572 is an abundant number, since it is smaller than the sum of its proper divisors (27381511262124).

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

20536133446572 is a wasteful number, since it uses less digits than its factorization.

20536133446572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711344453888 (or 1711344453886 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 51.

The spelling of 20536133446572 in words is "twenty trillion, five hundred thirty-six billion, one hundred thirty-three million, four hundred forty-six thousand, five hundred seventy-two".