205302043213 has 8 divisors (see below), whose sum is σ = 209677086720. Its totient is φ = 200927287920.

The previous prime is 205302043211. The next prime is 205302043253. The reversal of 205302043213 is 312340203502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205302043213 - 2¹ = 205302043211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205302043211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989043 + ... + 2089711.

It is an arithmetic number, because the mean of its divisors is an integer number (26209635840).

Almost surely, 2^205302043213 is an apocalyptic number.

It is an amenable number.

205302043213 is a deficient number, since it is larger than the sum of its proper divisors (4375043507).

205302043213 is a wasteful number, since it uses less digits than its factorization.

205302043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144107.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 205302043213 its reverse (312340203502), we get a palindrome (517642246715).

The spelling of 205302043213 in words is "two hundred five billion, three hundred two million, forty-three thousand, two hundred thirteen".