205552523342 has 4 divisors (see below), whose sum is σ = 308328785016. Its totient is φ = 102776261670.

The previous prime is 205552523299. The next prime is 205552523353. The reversal of 205552523342 is 243325255502.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 205552523296 and 205552523305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51388130834 + ... + 51388130837.

It is an arithmetic number, because the mean of its divisors is an integer number (77082196254).

Almost surely, 2^205552523342 is an apocalyptic number.

205552523342 is a deficient number, since it is larger than the sum of its proper divisors (102776261674).

205552523342 is a wasteful number, since it uses less digits than its factorization.

205552523342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102776261673.

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 205552523342 its reverse (243325255502), we get a palindrome (448877778844).

The spelling of 205552523342 in words is "two hundred five billion, five hundred fifty-two million, five hundred twenty-three thousand, three hundred forty-two".