205052210 has 16 divisors (see below), whose sum is σ = 402648192. Its totient is φ = 74564400.

The previous prime is 205052209. The next prime is 205052213. The reversal of 205052210 is 12250502.

It is not an unprimeable number, because it can be changed into a prime (205052213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 931946 + ... + 932165.

It is an arithmetic number, because the mean of its divisors is an integer number (25165512).

Almost surely, 2^205052210 is an apocalyptic number.

205052210 is a deficient number, since it is larger than the sum of its proper divisors (197595982).

205052210 is a wasteful number, since it uses less digits than its factorization.

205052210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864129.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 205052210 is about 14319.6441994904. The cubic root of 205052210 is about 589.6869065613.

The spelling of 205052210 in words is "two hundred five million, fifty-two thousand, two hundred ten".