205310043244 has 6 divisors (see below), whose sum is σ = 359292575684. Its totient is φ = 102655021620.

The previous prime is 205310043221. The next prime is 205310043247. The reversal of 205310043244 is 442340013502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (205310043247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25663755402 + ... + 25663755409.

Almost surely, 2^205310043244 is an apocalyptic number.

It is an amenable number.

205310043244 is a deficient number, since it is larger than the sum of its proper divisors (153982532440).

205310043244 is a wasteful number, since it uses less digits than its factorization.

205310043244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51327510815 (or 51327510813 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 205310043244 its reverse (442340013502), we get a palindrome (647650056746).

The spelling of 205310043244 in words is "two hundred five billion, three hundred ten million, forty-three thousand, two hundred forty-four".