220321122204 has 96 divisors (see below), whose sum is σ = 576188363520. Its totient is φ = 65184795648.

The previous prime is 220321122143. The next prime is 220321122211. The reversal of 220321122204 is 402221123022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178654 + ... + 687429.

It is an arithmetic number, because the mean of its divisors is an integer number (6001962120).

Almost surely, 2^220321122204 is an apocalyptic number.

It is an amenable number.

220321122204 is an abundant number, since it is smaller than the sum of its proper divisors (355867241316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220321122204 is a wasteful number, since it uses less digits than its factorization.

220321122204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866179 (or 866177 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 220321122204 its reverse (402221123022), we get a palindrome (622542245226).

The spelling of 220321122204 in words is "two hundred twenty billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred four".