330220321220 has 12 divisors (see below), whose sum is σ = 693462674604. Its totient is φ = 132088128480.

The previous prime is 330220321213. The next prime is 330220321253. The reversal of 330220321220 is 22123022033.

It can be written as a sum of positive squares in 2 ways, for example, as 263031533956 + 67188787264 = 512866^2 + 259208^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 16511016061 = 330220321220 / (3 + 3 + 0 + 2 + 2 + 0 + 3 + 2 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 330220321192 and 330220321201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8255508011 + ... + 8255508050.

It is an arithmetic number, because the mean of its divisors is an integer number (57788556217).

Almost surely, 2^330220321220 is an apocalyptic number.

It is an amenable number.

330220321220 is an abundant number, since it is smaller than the sum of its proper divisors (363242353384).

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

330220321220 is a wasteful number, since it uses less digits than its factorization.

330220321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511016070 (or 16511016068 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 330220321220 its reverse (22123022033), we get a palindrome (352343343253).

The spelling of 330220321220 in words is "three hundred thirty billion, two hundred twenty million, three hundred twenty-one thousand, two hundred twenty".