20136543153156 has 72 divisors (see below), whose sum is σ = 51082887963744. Its totient is φ = 6688159257600.

The previous prime is 20136543153127. The next prime is 20136543153169. The reversal of 20136543153156 is 65135134563102.

20136543153156 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 6 + 543 + 1 + 53 + 1 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393750820 + ... + 393801956.

It is an arithmetic number, because the mean of its divisors is an integer number (709484555052).

Almost surely, 2^{20136543153156} is an apocalyptic number.

It is an amenable number.

20136543153156 is an abundant number, since it is smaller than the sum of its proper divisors (30946344810588).

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

20136543153156 is a wasteful number, since it uses less digits than its factorization.

20136543153156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90081 (or 90076 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 20136543153156 in words is "twenty trillion, one hundred thirty-six billion, five hundred forty-three million, one hundred fifty-three thousand, one hundred fifty-six".