205383012 has 48 divisors (see below), whose sum is σ = 489646080. Its totient is φ = 66983968.

The previous prime is 205382999. The next prime is 205383019. The reversal of 205383012 is 210383502.

It is not an unprimeable number, because it can be changed into a prime (205383019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185653 + ... + 186755.

It is an arithmetic number, because the mean of its divisors is an integer number (10200960).

Almost surely, 2^205383012 is an apocalyptic number.

It is an amenable number.

205383012 is an abundant number, since it is smaller than the sum of its proper divisors (284263068).

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

205383012 is a wasteful number, since it uses less digits than its factorization.

205383012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 205383012 is about 14331.1901808608. The cubic root of 205383012 is about 590.0038417829.

The spelling of 205383012 in words is "two hundred five million, three hundred eighty-three thousand, twelve".