220023132321012 has 24 divisors (see below), whose sum is σ = 529948189677312. Its totient is φ = 70975203974400.

The previous prime is 220023132320941. The next prime is 220023132321017. The reversal of 220023132321012 is 210123231320022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023132321017) 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, 295730016189 + ... + 295730016932.

It is an arithmetic number, because the mean of its divisors is an integer number (22081174569888).

Almost surely, 2^{220023132321012} is an apocalyptic number.

It is an amenable number.

220023132321012 is an abundant number, since it is smaller than the sum of its proper divisors (309925057356300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220023132321012 is a wasteful number, since it uses less digits than its factorization.

220023132321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591460033159 (or 591460033157 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 220023132321012 its reverse (210123231320022), we get a palindrome (430146363641034).

The spelling of 220023132321012 in words is "two hundred twenty trillion, twenty-three billion, one hundred thirty-two million, three hundred twenty-one thousand, twelve".