205200235242 has 48 divisors (see below), whose sum is σ = 455529922848. Its totient is φ = 66722755680.

The previous prime is 205200235187. The next prime is 205200235243. The reversal of 205200235242 is 242532002502.

205200235242 is a `hidden beast` number, since 205 + 200 + 235 + 24 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (205200235243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426817 + ... + 769787.

It is an arithmetic number, because the mean of its divisors is an integer number (9490206726).

Almost surely, 2^205200235242 is an apocalyptic number.

205200235242 is an abundant number, since it is smaller than the sum of its proper divisors (250329687606).

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

205200235242 is a wasteful number, since it uses less digits than its factorization.

205200235242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343795 (or 343792 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 205200235242 its reverse (242532002502), we get a palindrome (447732237744).

The spelling of 205200235242 in words is "two hundred five billion, two hundred million, two hundred thirty-five thousand, two hundred forty-two".