330221320 has 64 divisors (see below), whose sum is σ = 872907840. Its totient is φ = 110841600.

The previous prime is 330221303. The next prime is 330221321. The reversal of 330221320 is 23122033.

330221320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×330221320² = 218092240365084800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330221294 and 330221303.

It is not an unprimeable number, because it can be changed into a prime (330221321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23146 + ... + 34585.

It is an arithmetic number, because the mean of its divisors is an integer number (13639185).

Almost surely, 2^330221320 is an apocalyptic number.

It is an amenable number.

330221320 is an abundant number, since it is smaller than the sum of its proper divisors (542686520).

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

330221320 is a wasteful number, since it uses less digits than its factorization.

330221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57766 (or 57762 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 330221320 is about 18171.9927360760. The cubic root of 330221320 is about 691.1967748281.

Adding to 330221320 its reverse (23122033), we get a palindrome (353343353).

The spelling of 330221320 in words is "three hundred thirty million, two hundred twenty-one thousand, three hundred twenty".