205565011214 has 16 divisors (see below), whose sum is σ = 320052759936. Its totient is φ = 98917394400.

The previous prime is 205565011159. The next prime is 205565011243. The reversal of 205565011214 is 412110565502.

205565011214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9147797 + ... + 9170240.

It is an arithmetic number, because the mean of its divisors is an integer number (20003297496).

Almost surely, 2^205565011214 is an apocalyptic number.

205565011214 is a deficient number, since it is larger than the sum of its proper divisors (114487748722).

205565011214 is a wasteful number, since it uses less digits than its factorization.

205565011214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318251.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 205565011214 its reverse (412110565502), we get a palindrome (617675576716).

The spelling of 205565011214 in words is "two hundred five billion, five hundred sixty-five million, eleven thousand, two hundred fourteen".