205304334 has 16 divisors (see below), whose sum is σ = 414377040. Its totient is φ = 67806720.

The previous prime is 205304327. The next prime is 205304353. The reversal of 205304334 is 433403502.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156307 + ... + 157614.

It is an arithmetic number, because the mean of its divisors is an integer number (25898565).

Almost surely, 2^205304334 is an apocalyptic number.

205304334 is an abundant number, since it is smaller than the sum of its proper divisors (209072706).

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

205304334 is a wasteful number, since it uses less digits than its factorization.

205304334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314035.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 205304334 is about 14328.4449260902. Note that the first 3 decimals coincide. The cubic root of 205304334 is about 589.9284927222.

Adding to 205304334 its reverse (433403502), we get a palindrome (638707836).

The spelling of 205304334 in words is "two hundred five million, three hundred four thousand, three hundred thirty-four".