204244007 has 12 divisors (see below), whose sum is σ = 225336048. Its totient is φ = 184984800.

The previous prime is 204243989. The next prime is 204244009. The reversal of 204244007 is 700442402.

It is a de Polignac number, because none of the positive numbers 2^k-204244007 is a prime.

It is a super-2 number, since 2×204244007² = 83431228790832098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244009) 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, 30998 + ... + 37004.

It is an arithmetic number, because the mean of its divisors is an integer number (18778004).

Almost surely, 2^204244007 is an apocalyptic number.

204244007 is a deficient number, since it is larger than the sum of its proper divisors (21092041).

204244007 is a wasteful number, since it uses less digits than its factorization.

204244007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 204244007 is about 14291.3962578889. The cubic root of 204244007 is about 588.9111460056.

Adding to 204244007 its reverse (700442402), we get a palindrome (904686409).

The spelling of 204244007 in words is "two hundred four million, two hundred forty-four thousand, seven".