205011150 has 48 divisors (see below), whose sum is σ = 525970800. Its totient is φ = 52783360.

The previous prime is 205011119. The next prime is 205011173. The reversal of 205011150 is 51110502.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19215 + ... + 27914.

It is an arithmetic number, because the mean of its divisors is an integer number (10957725).

Almost surely, 2^205011150 is an apocalyptic number.

205011150 is an abundant number, since it is smaller than the sum of its proper divisors (320959650).

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

205011150 is a wasteful number, since it uses less digits than its factorization.

205011150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47173 (or 47168 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 205011150 is about 14318.2104328718. The cubic root of 205011150 is about 589.6475439673.

Adding to 205011150 its reverse (51110502), we get a palindrome (256121652).

The spelling of 205011150 in words is "two hundred five million, eleven thousand, one hundred fifty".