420320204 has 12 divisors (see below), whose sum is σ = 774274200. Its totient is φ = 199099008.

The previous prime is 420320167. The next prime is 420320207. The reversal of 420320204 is 402023024.

It is not an unprimeable number, because it can be changed into a prime (420320207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765189 + ... + 2765340.

It is an arithmetic number, because the mean of its divisors is an integer number (64522850).

Almost surely, 2^420320204 is an apocalyptic number.

It is an amenable number.

420320204 is a deficient number, since it is larger than the sum of its proper divisors (353953996).

420320204 is a wasteful number, since it uses less digits than its factorization.

420320204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530552 (or 5530550 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 420320204 is about 20501.7122211780. The cubic root of 420320204 is about 749.0775052104.

Adding to 420320204 its reverse (402023024), we get a palindrome (822343228).

The spelling of 420320204 in words is "four hundred twenty million, three hundred twenty thousand, two hundred four".