205012330 has 8 divisors (see below), whose sum is σ = 369022212. Its totient is φ = 82004928.

The previous prime is 205012309. The next prime is 205012343. The reversal of 205012330 is 33210502.

205012330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191462569 + 13549761 = 13837^2 + 3681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10250607 + ... + 10250626.

Almost surely, 2^205012330 is an apocalyptic number.

205012330 is a deficient number, since it is larger than the sum of its proper divisors (164009882).

205012330 is a wasteful number, since it uses less digits than its factorization.

205012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20501240.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 205012330 is about 14318.2516390794. The cubic root of 205012330 is about 589.6486752599.

Adding to 205012330 its reverse (33210502), we get a palindrome (238222832).

The spelling of 205012330 in words is "two hundred five million, twelve thousand, three hundred thirty".