205432213 has 8 divisors (see below), whose sum is σ = 234866432. Its totient is φ = 176019696.

The previous prime is 205432207. The next prime is 205432217. The reversal of 205432213 is 312234502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205432213 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 (205432217) 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, 33556 + ... + 39202.

It is an arithmetic number, because the mean of its divisors is an integer number (29358304).

Almost surely, 2^205432213 is an apocalyptic number.

It is an amenable number.

205432213 is a deficient number, since it is larger than the sum of its proper divisors (29434219).

205432213 is an equidigital number, since it uses as much as digits as its factorization.

205432213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 205432213 is about 14332.9066486878. The cubic root of 205432213 is about 590.0509512639.

Adding to 205432213 its reverse (312234502), we get a palindrome (517666715).

The spelling of 205432213 in words is "two hundred five million, four hundred thirty-two thousand, two hundred thirteen".