205032433213 has 4 divisors (see below), whose sum is σ = 205499477920. Its totient is φ = 204565388508.

The previous prime is 205032433201. The next prime is 205032433219. The reversal of 205032433213 is 312334230502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205032433213 - 2¹³ = 205032425021 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 (205032433219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233521695 + ... + 233522572.

It is an arithmetic number, because the mean of its divisors is an integer number (51374869480).

Almost surely, 2^205032433213 is an apocalyptic number.

It is an amenable number.

205032433213 is a deficient number, since it is larger than the sum of its proper divisors (467044707).

205032433213 is an equidigital number, since it uses as much as digits as its factorization.

205032433213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467044706.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 205032433213 its reverse (312334230502), we get a palindrome (517366663715).

The spelling of 205032433213 in words is "two hundred five billion, thirty-two million, four hundred thirty-three thousand, two hundred thirteen".