420031004 has 6 divisors (see below), whose sum is σ = 735054264. Its totient is φ = 210015500.

The previous prime is 420030911. The next prime is 420031033. The reversal of 420031004 is 400130024.

It is a self number, because there is not a number n which added to its sum of digits gives 420031004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52503872 + ... + 52503879.

It is an arithmetic number, because the mean of its divisors is an integer number (122509044).

Almost surely, 2^420031004 is an apocalyptic number.

It is an amenable number.

420031004 is a deficient number, since it is larger than the sum of its proper divisors (315023260).

420031004 is a wasteful number, since it uses less digits than its factorization.

420031004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105007755 (or 105007753 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 420031004 is about 20494.6579381067. The cubic root of 420031004 is about 748.9056656494.

Adding to 420031004 its reverse (400130024), we get a palindrome (820161028).

The spelling of 420031004 in words is "four hundred twenty million, thirty-one thousand, four".