220333332231 has 12 divisors (see below), whose sum is σ = 332096617008. Its totient is φ = 140502414624.

The previous prime is 220333332229. The next prime is 220333332239. The reversal of 220333332231 is 132233333022.

220333332231 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 333 + 322 + 3 + 1 = 666.

It is not a de Polignac number, because 220333332231 - 2¹ = 220333332229 is a prime.

It is a super-2 number, since 2×220333332231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220333332195 and 220333332204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220333332239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532205910 + ... + 532206323.

It is an arithmetic number, because the mean of its divisors is an integer number (27674718084).

Almost surely, 2^220333332231 is an apocalyptic number.

220333332231 is a deficient number, since it is larger than the sum of its proper divisors (111763284777).

220333332231 is a wasteful number, since it uses less digits than its factorization.

220333332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064412262 (or 1064412259 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 220333332231 its reverse (132233333022), we get a palindrome (352566665253).

The spelling of 220333332231 in words is "two hundred twenty billion, three hundred thirty-three million, three hundred thirty-two thousand, two hundred thirty-one".