20924324317 has 16 divisors (see below), whose sum is σ = 22594283712. Its totient is φ = 19263081600.

The previous prime is 20924324297. The next prime is 20924324327. The reversal of 20924324317 is 71342342902.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20924324317 - 2²³ = 20915935709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20924324327) 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, 11708298 + ... + 11710084.

It is an arithmetic number, because the mean of its divisors is an integer number (1412142732).

Almost surely, 2^20924324317 is an apocalyptic number.

It is an amenable number.

20924324317 is a deficient number, since it is larger than the sum of its proper divisors (1669959395).

20924324317 is a wasteful number, since it uses less digits than its factorization.

20924324317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20924324317 in words is "twenty billion, nine hundred twenty-four million, three hundred twenty-four thousand, three hundred seventeen".