205013435 has 16 divisors (see below), whose sum is σ = 269261280. Its totient is φ = 148611840.

The previous prime is 205013359. The next prime is 205013491. The reversal of 205013435 is 534310502.

It is a de Polignac number, because none of the positive numbers 2^k-205013435 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205013435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11261 + ... + 23169.

It is an arithmetic number, because the mean of its divisors is an integer number (16828830).

Almost surely, 2^205013435 is an apocalyptic number.

205013435 is a deficient number, since it is larger than the sum of its proper divisors (64247845).

205013435 is a wasteful number, since it uses less digits than its factorization.

205013435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12238.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 205013435 is about 14318.2902261408. The cubic root of 205013435 is about 589.6497346443.

Adding to 205013435 its reverse (534310502), we get a palindrome (739323937).

The spelling of 205013435 in words is "two hundred five million, thirteen thousand, four hundred thirty-five".