420443204 has 48 divisors (see below), whose sum is σ = 781401600. Its totient is φ = 197664000.

The previous prime is 420443183. The next prime is 420443227. The reversal of 420443204 is 402344024.

It is a self number, because there is not a number n which added to its sum of digits gives 420443204.

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 15 ways as a sum of consecutive naturals, for example, 738632 + ... + 739200.

It is an arithmetic number, because the mean of its divisors is an integer number (16279200).

Almost surely, 2^420443204 is an apocalyptic number.

It is an amenable number.

420443204 is a deficient number, since it is larger than the sum of its proper divisors (360958396).

420443204 is a wasteful number, since it uses less digits than its factorization.

420443204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 420443204 is about 20504.7117512049. The cubic root of 420443204 is about 749.1505666100.

Adding to 420443204 its reverse (402344024), we get a palindrome (822787228).

The spelling of 420443204 in words is "four hundred twenty million, four hundred forty-three thousand, two hundred four".