205103282818 has 36 divisors (see below), whose sum is σ = 377711749782. Its totient is φ = 83275002720.

The previous prime is 205103282789. The next prime is 205103282827. The reversal of 205103282818 is 818282301502.

205103282818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 112421395849 + 92681886969 = 335293^2 + 304437^2 .

It is a super-2 number, since 2×205103282818² (a number of 23 digits) contains 22 as substring.

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 17 ways as a sum of consecutive naturals, for example, 2863363 + ... + 2934118.

Almost surely, 2^205103282818 is an apocalyptic number.

205103282818 is a deficient number, since it is larger than the sum of its proper divisors (172608466964).

205103282818 is a wasteful number, since it uses less digits than its factorization.

205103282818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797535 (or 5797509 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 205103282818 in words is "two hundred five billion, one hundred three million, two hundred eighty-two thousand, eight hundred eighteen".