205000210 has 32 divisors (see below), whose sum is σ = 383334912. Its totient is φ = 78848640.

The previous prime is 205000189. The next prime is 205000223. The reversal of 205000210 is 12000502.

205000210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205000210² = 84050172200088200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48502 + ... + 52558.

It is an arithmetic number, because the mean of its divisors is an integer number (11979216).

Almost surely, 2^205000210 is an apocalyptic number.

205000210 is a deficient number, since it is larger than the sum of its proper divisors (178334702).

205000210 is a wasteful number, since it uses less digits than its factorization.

205000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 205000210 is about 14317.8283967926. The cubic root of 205000210 is about 589.6370553364.

Adding to 205000210 its reverse (12000502), we get a palindrome (217000712).

The spelling of 205000210 in words is "two hundred five million, two hundred ten", and thus it is an aban number.