204510056 has 8 divisors (see below), whose sum is σ = 383456370. Its totient is φ = 102255024.

The previous prime is 204510029. The next prime is 204510073. The reversal of 204510056 is 650015402.

It can be written as a sum of positive squares in only one way, i.e., 197402500 + 7107556 = 14050^2 + 2666^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781871 + ... + 12781886.

Almost surely, 2^204510056 is an apocalyptic number.

It is an amenable number.

204510056 is a deficient number, since it is larger than the sum of its proper divisors (178946314).

204510056 is a wasteful number, since it uses less digits than its factorization.

204510056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25563763 (or 25563759 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 204510056 is about 14300.7012415476. The cubic root of 204510056 is about 589.1667410047.

Adding to 204510056 its reverse (650015402), we get a palindrome (854525458).

The spelling of 204510056 in words is "two hundred four million, five hundred ten thousand, fifty-six".