206236244214005 has 8 divisors (see below), whose sum is σ = 247681638375000. Its totient is φ = 164856898492416.

The previous prime is 206236244213911. The next prime is 206236244214079. The reversal of 206236244214005 is 500412442632602.

It can be written as a sum of positive squares in 4 ways, for example, as 59986786084 + 206176257427921 = 244922^2 + 14358839^2 .

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 206236244214005 - 2²² = 206236240019701 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16512102980 + ... + 16512115469.

It is an arithmetic number, because the mean of its divisors is an integer number (30960204796875).

Almost surely, 2^{206236244214005} is an apocalyptic number.

It is an amenable number.

206236244214005 is a deficient number, since it is larger than the sum of its proper divisors (41445394160995).

206236244214005 is a wasteful number, since it uses less digits than its factorization.

206236244214005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33024219703.

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 206236244214005 its reverse (500412442632602), we get a palindrome (706648686846607).

The spelling of 206236244214005 in words is "two hundred six trillion, two hundred thirty-six billion, two hundred forty-four million, two hundred fourteen thousand, five".