204000004 has 12 divisors (see below), whose sum is σ = 384461644. Its totient is φ = 94153824.

The previous prime is 203999989. The next prime is 204000011. The reversal of 204000004 is 400000402.

It can be written as a sum of positive squares in 2 ways, for example, as 104040000 + 99960004 = 10200^2 + 9998^2 .

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, 1961487 + ... + 1961590.

Almost surely, 2^204000004 is an apocalyptic number.

It is an amenable number.

204000004 is a deficient number, since it is larger than the sum of its proper divisors (180461640).

204000004 is a wasteful number, since it uses less digits than its factorization.

204000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923094 (or 3923092 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 204000004 is about 14282.8569971137. The cubic root of 204000004 is about 588.6765355359.

Adding to 204000004 its reverse (400000402), we get a palindrome (604000406).

The spelling of 204000004 in words is "two hundred four million, four", and thus it is an aban number.