20136437007156 has 48 divisors (see below), whose sum is σ = 52792156972800. Its totient is φ = 6636728298816.

The previous prime is 20136437007053. The next prime is 20136437007199. The reversal of 20136437007156 is 65170073463102.

20136437007156 is a `hidden beast` number, since 201 + 3 + 6 + 4 + 370 + 0 + 71 + 5 + 6 = 666.

It is a congruent number.

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, 1047453820 + ... + 1047473043.

It is an arithmetic number, because the mean of its divisors is an integer number (1099836603600).

Almost surely, 2^{20136437007156} is an apocalyptic number.

It is an amenable number.

20136437007156 is an abundant number, since it is smaller than the sum of its proper divisors (32655719965644).

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

20136437007156 is a wasteful number, since it uses less digits than its factorization.

20136437007156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094926965 (or 2094926957 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 20136437007156 in words is "twenty trillion, one hundred thirty-six billion, four hundred thirty-seven million, seven thousand, one hundred fifty-six".