20944832117 has 16 divisors (see below), whose sum is σ = 23432587200. Its totient is φ = 18556339200.

The previous prime is 20944832101. The next prime is 20944832131. The reversal of 20944832117 is 71123844902.

It is a cyclic number.

It is not a de Polignac number, because 20944832117 - 2⁴ = 20944832101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20944832317) 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, 163067 + ... + 261687.

It is an arithmetic number, because the mean of its divisors is an integer number (1464536700).

Almost surely, 2^20944832117 is an apocalyptic number.

It is an amenable number.

20944832117 is a deficient number, since it is larger than the sum of its proper divisors (2487755083).

20944832117 is a wasteful number, since it uses less digits than its factorization.

20944832117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99124.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 20944832117 in words is "twenty billion, nine hundred forty-four million, eight hundred thirty-two thousand, one hundred seventeen".