205093842 has 16 divisors (see below), whose sum is σ = 410409120. Its totient is φ = 68327712.

The previous prime is 205093841. The next prime is 205093873. The reversal of 205093842 is 248390502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (205093841) 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, 4353 + ... + 20715.

It is an arithmetic number, because the mean of its divisors is an integer number (25650570).

Almost surely, 2^205093842 is an apocalyptic number.

205093842 is an abundant number, since it is smaller than the sum of its proper divisors (205315278).

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

205093842 is a wasteful number, since it uses less digits than its factorization.

205093842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18457.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 205093842 is about 14321.0977931163. The cubic root of 205093842 is about 589.7268121444.

The spelling of 205093842 in words is "two hundred five million, ninety-three thousand, eight hundred forty-two".