205242908 has 24 divisors (see below), whose sum is σ = 390643680. Its totient is φ = 93787200.

The previous prime is 205242907. The next prime is 205242911. The reversal of 205242908 is 809242502.

205242908 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

205242908 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205242901) by changing a digit.

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, 14288 + ... + 24791.

It is an arithmetic number, because the mean of its divisors is an integer number (16276820).

Almost surely, 2^205242908 is an apocalyptic number.

It is an amenable number.

205242908 is a deficient number, since it is larger than the sum of its proper divisors (185400772).

205242908 is a wasteful number, since it uses less digits than its factorization.

205242908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39197 (or 39195 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 205242908 is about 14326.3012672497. The cubic root of 205242908 is about 589.8696523308.

It can be divided in two parts, 20524 and 2908, that added together give a palindrome (23432).

The spelling of 205242908 in words is "two hundred five million, two hundred forty-two thousand, nine hundred eight".