204200004 has 24 divisors (see below), whose sum is σ = 476734048. Its totient is φ = 68028480.

The previous prime is 204199999. The next prime is 204200021. The reversal of 204200004 is 400002402.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24864 + ... + 32040.

Almost surely, 2^204200004 is an apocalyptic number.

It is an amenable number.

204200004 is an abundant number, since it is smaller than the sum of its proper divisors (272534044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204200004 is a wasteful number, since it uses less digits than its factorization.

204200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555 (or 9553 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 204200004 is about 14289.8566822764. The cubic root of 204200004 is about 588.8688506505.

Adding to 204200004 its reverse (400002402), we get a palindrome (604202406).

It can be divided in two parts, 20 and 4200004, that added together give a palindrome (4200024).

The spelling of 204200004 in words is "two hundred four million, two hundred thousand, four".