204116004 has 48 divisors (see below), whose sum is σ = 537882240. Its totient is φ = 66921120.

The previous prime is 204115979. The next prime is 204116009. The reversal of 204116004 is 400611402.

204116004 is a `hidden beast` number, since 20 + 41 + 1 + 600 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204116009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8904 + ... + 22079.

It is an arithmetic number, because the mean of its divisors is an integer number (11205880).

Almost surely, 2^204116004 is an apocalyptic number.

It is an amenable number.

204116004 is an abundant number, since it is smaller than the sum of its proper divisors (333766236).

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

204116004 is a wasteful number, since it uses less digits than its factorization.

204116004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31057 (or 31049 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 204116004 is about 14286.9172322093. The cubic root of 204116004 is about 588.7880936040.

Adding to 204116004 its reverse (400611402), we get a palindrome (604727406).

The spelling of 204116004 in words is "two hundred four million, one hundred sixteen thousand, four".