420420304 has 20 divisors (see below), whose sum is σ = 824877760. Its totient is φ = 207548640.

The previous prime is 420420281. The next prime is 420420317. The reversal of 420420304 is 403024024.

It is a congruent number.

It is an unprimeable number.

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, 165042 + ... + 167569.

It is an arithmetic number, because the mean of its divisors is an integer number (41243888).

Almost surely, 2^420420304 is an apocalyptic number.

It is an amenable number.

420420304 is a deficient number, since it is larger than the sum of its proper divisors (404457456).

420420304 is a wasteful number, since it uses less digits than its factorization.

420420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332698 (or 332692 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 420420304 is about 20504.1533353611. The cubic root of 420420304 is about 749.1369652014.

Adding to 420420304 its reverse (403024024), we get a palindrome (823444328).

The spelling of 420420304 in words is "four hundred twenty million, four hundred twenty thousand, three hundred four".