20323000022231 has 8 divisors (see below), whose sum is σ = 21524410083744. Its totient is φ = 19122249902080.

The previous prime is 20323000022189. The next prime is 20323000022233. The reversal of 20323000022231 is 13222000032302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323000022231 is a prime.

It is a super-2 number, since 2×20323000022231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323000022233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164921930 + ... + 165045111.

It is an arithmetic number, because the mean of its divisors is an integer number (2690551260468).

Almost surely, 2^{20323000022231} is an apocalyptic number.

20323000022231 is a deficient number, since it is larger than the sum of its proper divisors (1201410061513).

20323000022231 is a wasteful number, since it uses less digits than its factorization.

20323000022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329970681.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20323000022231 its reverse (13222000032302), we get a palindrome (33545000054533).

The spelling of 20323000022231 in words is "twenty trillion, three hundred twenty-three billion, twenty-two thousand, two hundred thirty-one".