20331000223023 has 32 divisors (see below), whose sum is σ = 32791300272640. Its totient is φ = 10945447678080.

The previous prime is 20331000222997. The next prime is 20331000223031. The reversal of 20331000223023 is 32032200013302.

It is not a de Polignac number, because 20331000223023 - 2²⁶ = 20330933114159 is a prime.

It is a super-2 number, since 2×20331000223023² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331000223073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140687140 + ... + 140831577.

It is an arithmetic number, because the mean of its divisors is an integer number (1024728133520).

Almost surely, 2^{20331000223023} is an apocalyptic number.

20331000223023 is a deficient number, since it is larger than the sum of its proper divisors (12460300049617).

20331000223023 is a wasteful number, since it uses less digits than its factorization.

20331000223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281518927.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20331000223023 its reverse (32032200013302), we get a palindrome (52363200236325).

The spelling of 20331000223023 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty-three thousand, twenty-three".