204215150 has 12 divisors (see below), whose sum is σ = 379840272. Its totient is φ = 81686040.

The previous prime is 204215147. The next prime is 204215177. The reversal of 204215150 is 51512402.

204215150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 2042102 + ... + 2042201.

It is an arithmetic number, because the mean of its divisors is an integer number (31653356).

Almost surely, 2^204215150 is an apocalyptic number.

204215150 is a deficient number, since it is larger than the sum of its proper divisors (175625122).

204215150 is a wasteful number, since it uses less digits than its factorization.

204215150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084315 (or 4084310 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 204215150 is about 14290.3866287795. The cubic root of 204215150 is about 588.8834095583.

Adding to 204215150 its reverse (51512402), we get a palindrome (255727552).

The spelling of 204215150 in words is "two hundred four million, two hundred fifteen thousand, one hundred fifty".