205000050 has 24 divisors (see below), whose sum is σ = 508400496. Its totient is φ = 54666640.

The previous prime is 205000021. The next prime is 205000067. The reversal of 205000050 is 50000502.

205000050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683184 + ... + 683483.

It is an arithmetic number, because the mean of its divisors is an integer number (21183354).

Almost surely, 2^205000050 is an apocalyptic number.

205000050 is an abundant number, since it is smaller than the sum of its proper divisors (303400446).

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

205000050 is a wasteful number, since it uses less digits than its factorization.

205000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366682 (or 1366677 counting only the distinct ones).

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

The square root of 205000050 is about 14317.8228093520. The cubic root of 205000050 is about 589.6369019350.

Adding to 205000050 its reverse (50000502), we get a palindrome (255000552).

The spelling of 205000050 in words is "two hundred five million, fifty", and thus it is an aban number.