220332012332331 has 4 divisors (see below), whose sum is σ = 293776016443112. Its totient is φ = 146888008221552.

The previous prime is 220332012332321. The next prime is 220332012332441. The reversal of 220332012332331 is 133233210233022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220332012332331 - 2⁷ = 220332012332203 is a prime.

It is a super-2 number, since 2×220332012332331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220332012332321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36722002055386 + ... + 36722002055391.

It is an arithmetic number, because the mean of its divisors is an integer number (73444004110778).

Almost surely, 2^{220332012332331} is an apocalyptic number.

220332012332331 is a deficient number, since it is larger than the sum of its proper divisors (73444004110781).

220332012332331 is an equidigital number, since it uses as much as digits as its factorization.

220332012332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73444004110780.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 220332012332331 its reverse (133233210233022), we get a palindrome (353565222565353).

The spelling of 220332012332331 in words is "two hundred twenty trillion, three hundred thirty-two billion, twelve million, three hundred thirty-two thousand, three hundred thirty-one".