204443201 has 4 divisors (see below), whose sum is σ = 207908400. Its totient is φ = 200978004.

The previous prime is 204443191. The next prime is 204443209. The reversal of 204443201 is 102344402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204443201 - 2¹⁸ = 204181057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204443209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732511 + ... + 1732628.

It is an arithmetic number, because the mean of its divisors is an integer number (51977100).

Almost surely, 2^204443201 is an apocalyptic number.

It is an amenable number.

204443201 is a deficient number, since it is larger than the sum of its proper divisors (3465199).

204443201 is an equidigital number, since it uses as much as digits as its factorization.

204443201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465198.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204443201 is about 14298.3635776966. The cubic root of 204443201 is about 589.1025338354.

Adding to 204443201 its reverse (102344402), we get a palindrome (306787603).

The spelling of 204443201 in words is "two hundred four million, four hundred forty-three thousand, two hundred one".