205022112 has 48 divisors (see below), whose sum is σ = 556748640. Its totient is φ = 65983232.

The previous prime is 205022053. The next prime is 205022119. The reversal of 205022112 is 211220502.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 205022091 and 205022100.

It is not an unprimeable number, because it can be changed into a prime (205022119) 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 7 ways as a sum of consecutive naturals, for example, 34038 + ... + 39605.

It is an arithmetic number, because the mean of its divisors is an integer number (11598930).

Almost surely, 2^205022112 is an apocalyptic number.

It is an amenable number.

205022112 is an abundant number, since it is smaller than the sum of its proper divisors (351726528).

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

205022112 is a wasteful number, since it uses less digits than its factorization.

205022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73685 (or 73677 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 205022112 is about 14318.5932269899. The cubic root of 205022112 is about 589.6580533163.

Adding to 205022112 its reverse (211220502), we get a palindrome (416242614).

The spelling of 205022112 in words is "two hundred five million, twenty-two thousand, one hundred twelve".