204430201 has 4 divisors (see below), whose sum is σ = 204940404. Its totient is φ = 203920000.

The previous prime is 204430181. The next prime is 204430207. The reversal of 204430201 is 102034402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99900025 + 104530176 = 9995^2 + 10224^2 .

It is a cyclic number.

It is not a de Polignac number, because 204430201 - 2⁷ = 204430073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204430207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254500 + ... + 255301.

It is an arithmetic number, because the mean of its divisors is an integer number (51235101).

Almost surely, 2^204430201 is an apocalyptic number.

It is an amenable number.

204430201 is a deficient number, since it is larger than the sum of its proper divisors (510203).

204430201 is an equidigital number, since it uses as much as digits as its factorization.

204430201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510202.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204430201 is about 14297.9089729932. The cubic root of 204430201 is about 589.0900470824.

Adding to 204430201 its reverse (102034402), we get a palindrome (306464603).

The spelling of 204430201 in words is "two hundred four million, four hundred thirty thousand, two hundred one".