220332232231 has 8 divisors (see below), whose sum is σ = 233415707184. Its totient is φ = 207262396800.

The previous prime is 220332232229. The next prime is 220332232271. The reversal of 220332232231 is 132232233022.

220332232231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 220332232231 - 2¹ = 220332232229 is a prime.

It is a super-2 number, since 2×220332232231² (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 = 220332232196 and 220332232205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220332232201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3376605 + ... + 3441238.

It is an arithmetic number, because the mean of its divisors is an integer number (29176963398).

Almost surely, 2^220332232231 is an apocalyptic number.

220332232231 is a deficient number, since it is larger than the sum of its proper divisors (13083474953).

220332232231 is a wasteful number, since it uses less digits than its factorization.

220332232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819761.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 220332232231 its reverse (132232233022), we get a palindrome (352564465253).

The spelling of 220332232231 in words is "two hundred twenty billion, three hundred thirty-two million, two hundred thirty-two thousand, two hundred thirty-one".