204150 has 24 divisors (see below), whose sum is σ = 506664. Its totient is φ = 54400.

The previous prime is 204143. The next prime is 204151. The reversal of 204150 is 51402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 204150.

It is not an unprimeable number, because it can be changed into a prime (204151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (21111).

2²⁰⁴¹⁵⁰ is an apocalyptic number.

204150 is an abundant number, since it is smaller than the sum of its proper divisors (302514).

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

204150 is a wasteful number, since it uses less digits than its factorization.

204150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 204150 is about 451.8296139033. The cubic root of 204150 is about 58.8820779803.

Adding to 204150 its reverse (51402), we get a palindrome (255552).

The spelling of 204150 in words is "two hundred four thousand, one hundred fifty".