220020331322331 has 24 divisors (see below), whose sum is σ = 325320311476160. Its totient is φ = 143215171482096.

The previous prime is 220020331322221. The next prime is 220020331322339. The reversal of 220020331322331 is 133223133020022.

220020331322331 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 2 + 0 + 3 + 3 + 1 + 322 + 331 = 666.

It is not a de Polignac number, because 220020331322331 - 2¹⁷ = 220020331191259 is a prime.

It is a super-2 number, since 2×220020331322331² (a number of 29 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 = 220020331322295 and 220020331322304.

It is not an unprimeable number, because it can be changed into a prime (220020331322339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105877321 + ... + 107935386.

Almost surely, 2^{220020331322331} is an apocalyptic number.

220020331322331 is a deficient number, since it is larger than the sum of its proper divisors (105299980153829).

220020331322331 is a wasteful number, since it uses less digits than its factorization.

220020331322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213815415 (or 213815412 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 220020331322331 its reverse (133223133020022), we get a palindrome (353243464342353).

The spelling of 220020331322331 in words is "two hundred twenty trillion, twenty billion, three hundred thirty-one million, three hundred twenty-two thousand, three hundred thirty-one".