206305263044 has 24 divisors (see below), whose sum is σ = 369866112000. Its totient is φ = 100629587520.

The previous prime is 206305263013. The next prime is 206305263169. The reversal of 206305263044 is 440362503602.

It is a junction number, because it is equal to n+sod(n) for n = 206305262995 and 206305263013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850497 + ... + 2921975.

It is an arithmetic number, because the mean of its divisors is an integer number (15411088000).

Almost surely, 2^206305263044 is an apocalyptic number.

It is an amenable number.

206305263044 is a deficient number, since it is larger than the sum of its proper divisors (163560848956).

206305263044 is a wasteful number, since it uses less digits than its factorization.

206305263044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89123 (or 89121 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 206305263044 its reverse (440362503602), we get a palindrome (646667766646).

The spelling of 206305263044 in words is "two hundred six billion, three hundred five million, two hundred sixty-three thousand, forty-four".