330020442 has 24 divisors (see below), whose sum is σ = 731674944. Its totient is φ = 107448264.

The previous prime is 330020441. The next prime is 330020447. The reversal of 330020442 is 244020033.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (330020441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212418 + ... + 213965.

It is an arithmetic number, because the mean of its divisors is an integer number (30486456).

Almost surely, 2^330020442 is an apocalyptic number.

330020442 is an abundant number, since it is smaller than the sum of its proper divisors (401654502).

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

330020442 is a wasteful number, since it uses less digits than its factorization.

330020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426434 (or 426431 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 330020442 is about 18166.4647634040. The cubic root of 330020442 is about 691.0565916834.

Adding to 330020442 its reverse (244020033), we get a palindrome (574040475).

The spelling of 330020442 in words is "three hundred thirty million, twenty thousand, four hundred forty-two".