204344001 has 12 divisors (see below), whose sum is σ = 295447828. Its totient is φ = 136098144.

The previous prime is 204343987. The next prime is 204344003. The reversal of 204344001 is 100443402.

It can be written as a sum of positive squares in 2 ways, for example, as 197374401 + 6969600 = 14049^2 + 2640^2 .

It is not a de Polignac number, because 204344001 - 2⁵ = 204343969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204344003) 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 11 ways as a sum of consecutive naturals, for example, 550 + ... + 20223.

Almost surely, 2^204344001 is an apocalyptic number.

It is an amenable number.

204344001 is a deficient number, since it is larger than the sum of its proper divisors (91103827).

204344001 is a wasteful number, since it uses less digits than its factorization.

204344001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21872 (or 21869 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 204344001 is about 14294.8942283600. The cubic root of 204344001 is about 589.0072369093.

Adding to 204344001 its reverse (100443402), we get a palindrome (304787403).

The spelling of 204344001 in words is "two hundred four million, three hundred forty-four thousand, one".