220331231201 has 32 divisors (see below), whose sum is σ = 233197805568. Its totient is φ = 207906289920.

The previous prime is 220331231149. The next prime is 220331231231. The reversal of 220331231201 is 102132133022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220331231201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220331231231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89310170 + ... + 89312636.

It is an arithmetic number, because the mean of its divisors is an integer number (7287431424).

Almost surely, 2^220331231201 is an apocalyptic number.

It is an amenable number.

220331231201 is a deficient number, since it is larger than the sum of its proper divisors (12866574367).

220331231201 is a wasteful number, since it uses less digits than its factorization.

220331231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220331231201 its reverse (102132133022), we get a palindrome (322463364223).

The spelling of 220331231201 in words is "two hundred twenty billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred one".