205050 has 24 divisors (see below), whose sum is σ = 508896. Its totient is φ = 54640.

The previous prime is 205043. The next prime is 205063. The reversal of 205050 is 50502.

205050 is nontrivially palindromic in base 9.

205050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

205050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534 + ... + 833.

It is an arithmetic number, because the mean of its divisors is an integer number (21204).

2²⁰⁵⁰⁵⁰ is an apocalyptic number.

205050 is an abundant number, since it is smaller than the sum of its proper divisors (303846).

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

205050 is a wasteful number, since it uses less digits than its factorization.

205050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 12.

The square root of 205050 is about 452.8244693035. The cubic root of 205050 is about 58.9684788056.

Adding to 205050 its reverse (50502), we get a palindrome (255552).

The spelling of 205050 in words is "two hundred five thousand, fifty".