205180212 has 24 divisors (see below), whose sum is σ = 479159296. Its totient is φ = 68335488.

The previous prime is 205180211. The next prime is 205180237. The reversal of 205180212 is 212081502.

It is a happy number.

205180212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205180211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8973 + ... + 22155.

Almost surely, 2^205180212 is an apocalyptic number.

It is an amenable number.

205180212 is an abundant number, since it is smaller than the sum of its proper divisors (273979084).

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

205180212 is a wasteful number, since it uses less digits than its factorization.

205180212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14487 (or 14485 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 205180212 is about 14324.1129568291. The cubic root of 205180212 is about 589.8095832896.

The spelling of 205180212 in words is "two hundred five million, one hundred eighty thousand, two hundred twelve".