205012050 has 24 divisors (see below), whose sum is σ = 508430256. Its totient is φ = 54669840.

The previous prime is 205012043. The next prime is 205012063. The reversal of 205012050 is 50210502.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 683224 + ... + 683523.

It is an arithmetic number, because the mean of its divisors is an integer number (21184594).

Almost surely, 2^205012050 is an apocalyptic number.

205012050 is an abundant number, since it is smaller than the sum of its proper divisors (303418206).

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

205012050 is a wasteful number, since it uses less digits than its factorization.

205012050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366762 (or 1366757 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 205012050 is about 14318.2418613460. The cubic root of 205012050 is about 589.6484068180.

Adding to 205012050 its reverse (50210502), we get a palindrome (255222552).

The spelling of 205012050 in words is "two hundred five million, twelve thousand, fifty".