420204004 has 12 divisors (see below), whose sum is σ = 802207728. Its totient is φ = 191001800.

The previous prime is 420203999. The next prime is 420204023. The reversal of 420204004 is 400402024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4775002 + ... + 4775089.

It is an arithmetic number, because the mean of its divisors is an integer number (66850644).

Almost surely, 2^420204004 is an apocalyptic number.

420204004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420204004 is a deficient number, since it is larger than the sum of its proper divisors (382003724).

420204004 is a wasteful number, since it uses less digits than its factorization.

420204004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550106 (or 9550104 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 420204004 is about 20498.8781156433. The cubic root of 420204004 is about 749.0084698832.

Adding to 420204004 its reverse (400402024), we get a palindrome (820606028).

The spelling of 420204004 in words is "four hundred twenty million, two hundred four thousand, four".