20135164137736 has 64 divisors (see below), whose sum is σ = 39430445932800. Its totient is φ = 9621172704000.

The previous prime is 20135164137709. The next prime is 20135164137749. The reversal of 20135164137736 is 63773146153102.

It is a self number, because there is not a number n which added to its sum of digits gives 20135164137736.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191350886 + ... + 1191367786.

It is an arithmetic number, because the mean of its divisors is an integer number (616100717700).

Almost surely, 2^{20135164137736} is an apocalyptic number.

It is an amenable number.

20135164137736 is a deficient number, since it is larger than the sum of its proper divisors (19295281795064).

20135164137736 is a wasteful number, since it uses less digits than its factorization.

20135164137736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22390 (or 22386 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 20135164137736 in words is "twenty trillion, one hundred thirty-five billion, one hundred sixty-four million, one hundred thirty-seven thousand, seven hundred thirty-six".