205324221044404 has 72 divisors (see below), whose sum is σ = 457202231263008. Its totient is φ = 79781981751360.

The previous prime is 205324221044389. The next prime is 205324221044431. The reversal of 205324221044404 is 404440122423502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126855154 + ... + 128463529.

It is an arithmetic number, because the mean of its divisors is an integer number (6350030989764).

Almost surely, 2^{205324221044404} is an apocalyptic number.

It is an amenable number.

205324221044404 is an abundant number, since it is smaller than the sum of its proper divisors (251878010218604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205324221044404 is a wasteful number, since it uses less digits than its factorization.

205324221044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255319085 (or 255319076 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 205324221044404 its reverse (404440122423502), we get a palindrome (609764343467906).

The spelling of 205324221044404 in words is "two hundred five trillion, three hundred twenty-four billion, two hundred twenty-one million, forty-four thousand, four hundred four".