205102112 has 24 divisors (see below), whose sum is σ = 425048400. Its totient is φ = 97153344.

The previous prime is 205102111. The next prime is 205102147. The reversal of 205102112 is 211201502.

It is not an unprimeable number, because it can be changed into a prime (205102111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168062 + ... + 169277.

It is an arithmetic number, because the mean of its divisors is an integer number (17710350).

Almost surely, 2^205102112 is an apocalyptic number.

It is an amenable number.

205102112 is an abundant number, since it is smaller than the sum of its proper divisors (219946288).

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

205102112 is a wasteful number, since it uses less digits than its factorization.

205102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337368 (or 337360 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 205102112 is about 14321.3865250541. The cubic root of 205102112 is about 589.7347385570.

Adding to 205102112 its reverse (211201502), we get a palindrome (416303614).

It can be divided in two parts, 20510 and 2112, that added together give a palindrome (22622).

The spelling of 205102112 in words is "two hundred five million, one hundred two thousand, one hundred twelve".