204247304 has 8 divisors (see below), whose sum is σ = 382963710. Its totient is φ = 102123648.

The previous prime is 204247301. The next prime is 204247327. The reversal of 204247304 is 403742402.

It can be written as a sum of positive squares in only one way, i.e., 136843204 + 67404100 = 11698^2 + 8210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×204247304² = 83433922382536832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204247301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765449 + ... + 12765464.

Almost surely, 2^204247304 is an apocalyptic number.

It is an amenable number.

204247304 is a deficient number, since it is larger than the sum of its proper divisors (178716406).

204247304 is a wasteful number, since it uses less digits than its factorization.

204247304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530919 (or 25530915 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 204247304 is about 14291.5116065446. The cubic root of 204247304 is about 588.9143148127.

Adding to 204247304 its reverse (403742402), we get a palindrome (607989706).

The spelling of 204247304 in words is "two hundred four million, two hundred forty-seven thousand, three hundred four".