205256892 has 24 divisors (see below), whose sum is σ = 482707456. Its totient is φ = 67879728.

The previous prime is 205256881. The next prime is 205256893. The reversal of 205256892 is 298652502.

It is a self number, because there is not a number n which added to its sum of digits gives 205256892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205256893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65818 + ... + 68865.

Almost surely, 2^205256892 is an apocalyptic number.

It is an amenable number.

205256892 is an abundant number, since it is smaller than the sum of its proper divisors (277450564).

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

205256892 is a wasteful number, since it uses less digits than its factorization.

205256892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134817 (or 134815 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 205256892 is about 14326.7893123337. The cubic root of 205256892 is about 589.8830487334.

The spelling of 205256892 in words is "two hundred five million, two hundred fifty-six thousand, eight hundred ninety-two".