204555201 has 8 divisors (see below), whose sum is σ = 272814144. Its totient is φ = 136333200.

The previous prime is 204555179. The next prime is 204555209. The reversal of 204555201 is 102555402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204555201 - 2⁹ = 204554689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204555209) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8620 + ... + 21986.

It is an arithmetic number, because the mean of its divisors is an integer number (34101768).

Almost surely, 2^204555201 is an apocalyptic number.

It is an amenable number.

204555201 is a deficient number, since it is larger than the sum of its proper divisors (68258943).

204555201 is a wasteful number, since it uses less digits than its factorization.

204555201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 204555201 is about 14302.2795735505. The cubic root of 204555201 is about 589.2100900965.

The spelling of 204555201 in words is "two hundred four million, five hundred fifty-five thousand, two hundred one".