20117553032223 has 16 divisors (see below), whose sum is σ = 29803931842560. Its totient is φ = 13411634713848.

The previous prime is 20117553032201. The next prime is 20117553032287. The reversal of 20117553032223 is 32223035571102.

20117553032223 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 75 + 530 + 32 + 2 + 23 = 666.

It is not a de Polignac number, because 20117553032223 - 2⁹ = 20117553031711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117553033223) 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, 3937986 + ... + 7466112.

It is an arithmetic number, because the mean of its divisors is an integer number (1862745740160).

Almost surely, 2^{20117553032223} is an apocalyptic number.

20117553032223 is a deficient number, since it is larger than the sum of its proper divisors (9686378810337).

20117553032223 is a wasteful number, since it uses less digits than its factorization.

20117553032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739323 (or 3739317 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 20117553032223 in words is "twenty trillion, one hundred seventeen billion, five hundred fifty-three million, thirty-two thousand, two hundred twenty-three".