205310230335 has 128 divisors (see below), whose sum is σ = 437604249600. Its totient is φ = 89342507520.

The previous prime is 205310230297. The next prime is 205310230351. The reversal of 205310230335 is 533032013502.

It is not a de Polignac number, because 205310230335 - 2¹⁶ = 205310164799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 205310230299 and 205310230308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1892997 + ... + 1998513.

It is an arithmetic number, because the mean of its divisors is an integer number (3418783200).

Almost surely, 2^205310230335 is an apocalyptic number.

205310230335 is an abundant number, since it is smaller than the sum of its proper divisors (232294019265).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205310230335 is a wasteful number, since it uses less digits than its factorization.

205310230335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105638 (or 105632 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 205310230335 its reverse (533032013502), we get a palindrome (738342243837).

The spelling of 205310230335 in words is "two hundred five billion, three hundred ten million, two hundred thirty thousand, three hundred thirty-five".