330444020 has 12 divisors (see below), whose sum is σ = 693932484. Its totient is φ = 132177600.

The previous prime is 330444007. The next prime is 330444041. The reversal of 330444020 is 20444033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101042704 + 229401316 = 10052^2 + 15146^2 .

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: 16522201 = 330444020 / (3 + 3 + 0 + 4 + 4 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 330443983 and 330444001.

It is a congruent number.

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, 8261081 + ... + 8261120.

It is an arithmetic number, because the mean of its divisors is an integer number (57827707).

Almost surely, 2^330444020 is an apocalyptic number.

It is an amenable number.

330444020 is an abundant number, since it is smaller than the sum of its proper divisors (363488464).

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

330444020 is a wasteful number, since it uses less digits than its factorization.

330444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16522210 (or 16522208 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 330444020 is about 18178.1192646544. The cubic root of 330444020 is about 691.3521200691.

Adding to 330444020 its reverse (20444033), we get a palindrome (350888053).

The spelling of 330444020 in words is "three hundred thirty million, four hundred forty-four thousand, twenty".