205385335 has 16 divisors (see below), whose sum is σ = 257911776. Its totient is φ = 156843648.

The previous prime is 205385317. The next prime is 205385339. The reversal of 205385335 is 533583502.

It is a cyclic number.

It is not a de Polignac number, because 205385335 - 2⁷ = 205385207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205385335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205385339) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 669 + ... + 20278.

It is an arithmetic number, because the mean of its divisors is an integer number (16119486).

Almost surely, 2^205385335 is an apocalyptic number.

205385335 is a deficient number, since it is larger than the sum of its proper divisors (52526441).

205385335 is a wasteful number, since it uses less digits than its factorization.

205385335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21042.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 205385335 is about 14331.2712276336. The cubic root of 205385335 is about 590.0060662021.

The spelling of 205385335 in words is "two hundred five million, three hundred eighty-five thousand, three hundred thirty-five".