205040203520304 has 40 divisors (see below), whose sum is σ = 529732508890480. Its totient is φ = 68340887221248.

The previous prime is 205040203520287. The next prime is 205040203520309. The reversal of 205040203520304 is 403025302040502.

It is not an unprimeable number, because it can be changed into a prime (205040203520309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182160757 + ... + 183282900.

It is an arithmetic number, because the mean of its divisors is an integer number (13243312722262).

Almost surely, 2^{205040203520304} is an apocalyptic number.

205040203520304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

205040203520304 is an abundant number, since it is smaller than the sum of its proper divisors (324692305370176).

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

205040203520304 is a wasteful number, since it uses less digits than its factorization.

205040203520304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365455357 (or 365455351 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 205040203520304 its reverse (403025302040502), we get a palindrome (608065505560806).

The spelling of 205040203520304 in words is "two hundred five trillion, forty billion, two hundred three million, five hundred twenty thousand, three hundred four".