205706342 has 16 divisors (see below), whose sum is σ = 323848800. Its totient is φ = 97808832.

The previous prime is 205706327. The next prime is 205706351. The reversal of 205706342 is 243607502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4967 + ... + 20882.

It is an arithmetic number, because the mean of its divisors is an integer number (20240550).

Almost surely, 2^205706342 is an apocalyptic number.

205706342 is a deficient number, since it is larger than the sum of its proper divisors (118142458).

205706342 is a wasteful number, since it uses less digits than its factorization.

205706342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26047.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 205706342 is about 14342.4663848307. The cubic root of 205706342 is about 590.3132895176.

The spelling of 205706342 in words is "two hundred five million, seven hundred six thousand, three hundred forty-two".