205610342 has 16 divisors (see below), whose sum is σ = 373209120. Its totient is φ = 82935168.

The previous prime is 205610341. The next prime is 205610347. The reversal of 205610342 is 243016502.

It is a super-2 number, since 2×205610342² = 84551225474713928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205610341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431717 + ... + 432192.

It is an arithmetic number, because the mean of its divisors is an integer number (23325570).

Almost surely, 2^205610342 is an apocalyptic number.

205610342 is a deficient number, since it is larger than the sum of its proper divisors (167598778).

205610342 is a wasteful number, since it uses less digits than its factorization.

205610342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863935.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 205610342 is about 14339.1192895519. The cubic root of 205610342 is about 590.2214451709.

Adding to 205610342 its reverse (243016502), we get a palindrome (448626844).

The spelling of 205610342 in words is "two hundred five million, six hundred ten thousand, three hundred forty-two".