205111022344 has 16 divisors (see below), whose sum is σ = 384661202220. Its totient is φ = 102534701760.

The previous prime is 205111022327. The next prime is 205111022353. The reversal of 205111022344 is 443220111502.

It can be written as a sum of positive squares in 2 ways, for example, as 196725957444 + 8385064900 = 443538^2 + 91570^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559247 + ... + 2638174.

Almost surely, 2^205111022344 is an apocalyptic number.

It is an amenable number.

205111022344 is a deficient number, since it is larger than the sum of its proper divisors (179550179876).

205111022344 is a wasteful number, since it uses less digits than its factorization.

205111022344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202360 (or 5202356 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 205111022344 its reverse (443220111502), we get a palindrome (648331133846).

The spelling of 205111022344 in words is "two hundred five billion, one hundred eleven million, twenty-two thousand, three hundred forty-four".