220232331001 has 4 divisors (see below), whose sum is σ = 221816736400. Its totient is φ = 218647925604.

The previous prime is 220232330999. The next prime is 220232331037. The reversal of 220232331001 is 100133232022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220232331001 - 2¹ = 220232330999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220232331001.

It is not an unprimeable number, because it can be changed into a prime (220232331041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792202491 + ... + 792202768.

It is an arithmetic number, because the mean of its divisors is an integer number (55454184100).

Almost surely, 2^220232331001 is an apocalyptic number.

It is an amenable number.

220232331001 is a deficient number, since it is larger than the sum of its proper divisors (1584405399).

220232331001 is a wasteful number, since it uses less digits than its factorization.

220232331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584405398.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220232331001 its reverse (100133232022), we get a palindrome (320365563023).

The spelling of 220232331001 in words is "two hundred twenty billion, two hundred thirty-two million, three hundred thirty-one thousand, one".