204120150 has 48 divisors (see below), whose sum is σ = 545163024. Its totient is φ = 50244480.

The previous prime is 204120143. The next prime is 204120167. The reversal of 204120150 is 51021402.

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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50389 + ... + 54288.

It is an arithmetic number, because the mean of its divisors is an integer number (11357563).

Almost surely, 2^204120150 is an apocalyptic number.

204120150 is an abundant number, since it is smaller than the sum of its proper divisors (341042874).

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

204120150 is a wasteful number, since it uses less digits than its factorization.

204120150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104705 (or 104700 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 204120150 is about 14287.0623292544. The cubic root of 204120150 is about 588.7920800608.

Adding to 204120150 its reverse (51021402), we get a palindrome (255141552).

The spelling of 204120150 in words is "two hundred four million, one hundred twenty thousand, one hundred fifty".