330404020 has 12 divisors (see below), whose sum is σ = 693848484. Its totient is φ = 132161600.

The previous prime is 330403987. The next prime is 330404023. The reversal of 330404020 is 20404033.

It can be written as a sum of positive squares in 2 ways, for example, as 163942416 + 166461604 = 12804^2 + 12902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 330403985 and 330404003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330404023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8260081 + ... + 8260120.

It is an arithmetic number, because the mean of its divisors is an integer number (57820707).

Almost surely, 2^330404020 is an apocalyptic number.

It is an amenable number.

330404020 is an abundant number, since it is smaller than the sum of its proper divisors (363444464).

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

330404020 is a wasteful number, since it uses less digits than its factorization.

330404020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520210 (or 16520208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 330404020 is about 18177.0190075271. The cubic root of 330404020 is about 691.3242230587.

Adding to 330404020 its reverse (20404033), we get a palindrome (350808053).

The spelling of 330404020 in words is "three hundred thirty million, four hundred four thousand, twenty".