20117024773405 has 16 divisors (see below), whose sum is σ = 27604747146240. Its totient is φ = 13786688973312.

The previous prime is 20117024773369. The next prime is 20117024773423. The reversal of 20117024773405 is 50437742071102.

It is a cyclic number.

It is not a de Polignac number, because 20117024773405 - 2²³ = 20117016384797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163318804 + ... + 163441933.

It is an arithmetic number, because the mean of its divisors is an integer number (1725296696640).

Almost surely, 2^{20117024773405} is an apocalyptic number.

It is an amenable number.

20117024773405 is a deficient number, since it is larger than the sum of its proper divisors (7487722372835).

20117024773405 is a wasteful number, since it uses less digits than its factorization.

20117024773405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326762508.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 20117024773405 in words is "twenty trillion, one hundred seventeen billion, twenty-four million, seven hundred seventy-three thousand, four hundred five".