20136572463372 has 24 divisors (see below), whose sum is σ = 46989562499376. Its totient is φ = 6711586999488.

The previous prime is 20136572463311. The next prime is 20136572463379. The reversal of 20136572463372 is 27336427563102.

It is a super-2 number, since 2×20136572463372² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20136572463379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75338743 + ... + 75605550.

It is an arithmetic number, because the mean of its divisors is an integer number (1957898437474).

Almost surely, 2^{20136572463372} is an apocalyptic number.

It is an amenable number.

20136572463372 is an abundant number, since it is smaller than the sum of its proper divisors (26852990036004).

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

20136572463372 is a wasteful number, since it uses less digits than its factorization.

20136572463372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150955417 (or 150955415 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 20136572463372 in words is "twenty trillion, one hundred thirty-six billion, five hundred seventy-two million, four hundred sixty-three thousand, three hundred seventy-two".