205223150 has 96 divisors (see below), whose sum is σ = 451256832. Its totient is φ = 68595200.

The previous prime is 205223147. The next prime is 205223171. The reversal of 205223150 is 51322502.

205223150 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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 439217 + ... + 439683.

It is an arithmetic number, because the mean of its divisors is an integer number (4700592).

Almost surely, 2^205223150 is an apocalyptic number.

205223150 is an abundant number, since it is smaller than the sum of its proper divisors (246033682).

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

205223150 is a wasteful number, since it uses less digits than its factorization.

205223150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 205223150 is about 14325.6116797853. The cubic root of 205223150 is about 589.8507235101.

Adding to 205223150 its reverse (51322502), we get a palindrome (256545652).

The spelling of 205223150 in words is "two hundred five million, two hundred twenty-three thousand, one hundred fifty".