205480924 has 24 divisors (see below), whose sum is σ = 394330608. Its totient is φ = 92912640.

The previous prime is 205480907. The next prime is 205480937. The reversal of 205480924 is 429084502.

It is a self number, because there is not a number n which added to its sum of digits gives 205480924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607 + ... + 20590.

It is an arithmetic number, because the mean of its divisors is an integer number (16430442).

Almost surely, 2^205480924 is an apocalyptic number.

It is an amenable number.

205480924 is a deficient number, since it is larger than the sum of its proper divisors (188849684).

205480924 is a wasteful number, since it uses less digits than its factorization.

205480924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24405 (or 24403 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 205480924 is about 14334.6058194845. The cubic root of 205480924 is about 590.0975841654.

The spelling of 205480924 in words is "two hundred five million, four hundred eighty thousand, nine hundred twenty-four".