20352613325072 has 80 divisors (see below), whose sum is σ = 46531287711744. Its totient is φ = 8439174864000.

The previous prime is 20352613325039. The next prime is 20352613325111. The reversal of 20352613325072 is 27052331625302.

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 15 ways as a sum of consecutive naturals, for example, 13997297 + ... + 15382767.

Almost surely, 2^{20352613325072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20352613325072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23265643855872).

20352613325072 is an abundant number, since it is smaller than the sum of its proper divisors (26178674386672).

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

20352613325072 is a wasteful number, since it uses less digits than its factorization.

20352613325072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389748 (or 1389742 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 20352613325072 in words is "twenty trillion, three hundred fifty-two billion, six hundred thirteen million, three hundred twenty-five thousand, seventy-two".