205355150 has 144 divisors (see below), whose sum is σ = 518112672. Its totient is φ = 58924800.

The previous prime is 205355147. The next prime is 205355159. The reversal of 205355150 is 51553502.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205355159) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 550364 + ... + 550736.

Almost surely, 2^205355150 is an apocalyptic number.

205355150 is an abundant number, since it is smaller than the sum of its proper divisors (312757522).

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

205355150 is a wasteful number, since it uses less digits than its factorization.

205355150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 205355150 is about 14330.2180723114. The cubic root of 205355150 is about 589.9771608510.

The spelling of 205355150 in words is "two hundred five million, three hundred fifty-five thousand, one hundred fifty".