20136501164773 has 16 divisors (see below), whose sum is σ = 23449564613376. Its totient is φ = 16932604216320.

The previous prime is 20136501164707. The next prime is 20136501164821. The reversal of 20136501164773 is 37746110563102.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20136501164773 is a prime.

It is a super-2 number, since 2×20136501164773² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136501162773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391365 + ... + 6496837.

It is an arithmetic number, because the mean of its divisors is an integer number (1465597788336).

Almost surely, 2^{20136501164773} is an apocalyptic number.

It is an amenable number.

20136501164773 is a deficient number, since it is larger than the sum of its proper divisors (3313063448603).

20136501164773 is a wasteful number, since it uses less digits than its factorization.

20136501164773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116164.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 20136501164773 in words is "twenty trillion, one hundred thirty-six billion, five hundred one million, one hundred sixty-four thousand, seven hundred seventy-three".