220332023231 has 16 divisors (see below), whose sum is σ = 223020405216. Its totient is φ = 217662646656.

The previous prime is 220332023227. The next prime is 220332023237. The reversal of 220332023231 is 132320233022.

It is a cyclic number.

It is not a de Polignac number, because 220332023231 - 2² = 220332023227 is a prime.

It is a super-2 number, since 2×220332023231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220332023197 and 220332023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220332023237) 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, 28400405 + ... + 28408161.

It is an arithmetic number, because the mean of its divisors is an integer number (13938775326).

Almost surely, 2^220332023231 is an apocalyptic number.

220332023231 is a deficient number, since it is larger than the sum of its proper divisors (2688381985).

220332023231 is a wasteful number, since it uses less digits than its factorization.

220332023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 220332023231 its reverse (132320233022), we get a palindrome (352652256253).

The spelling of 220332023231 in words is "two hundred twenty billion, three hundred thirty-two million, twenty-three thousand, two hundred thirty-one".