204244200413 has 4 divisors (see below), whose sum is σ = 222811855008. Its totient is φ = 185676545820.

The previous prime is 204244200401. The next prime is 204244200451. The reversal of 204244200413 is 314002442402.

It is a happy number.

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 204244200413 - 2⁴ = 204244200397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244202413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9283827281 + ... + 9283827302.

It is an arithmetic number, because the mean of its divisors is an integer number (55702963752).

Almost surely, 2^204244200413 is an apocalyptic number.

It is an amenable number.

204244200413 is a deficient number, since it is larger than the sum of its proper divisors (18567654595).

204244200413 is a wasteful number, since it uses less digits than its factorization.

204244200413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567654594.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 204244200413 its reverse (314002442402), we get a palindrome (518246642815).

The spelling of 204244200413 in words is "two hundred four billion, two hundred forty-four million, two hundred thousand, four hundred thirteen".