206662220107 has 8 divisors (see below), whose sum is σ = 248616204800. Its totient is φ = 167815938024.

The previous prime is 206662220101. The next prime is 206662220123. The reversal of 206662220107 is 701022266602.

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

It is not a de Polignac number, because 206662220107 - 2¹⁹ = 206661695819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206662220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776925507 + ... + 776925772.

It is an arithmetic number, because the mean of its divisors is an integer number (31077025600).

Almost surely, 2^206662220107 is an apocalyptic number.

206662220107 is a deficient number, since it is larger than the sum of its proper divisors (41953984693).

206662220107 is a wasteful number, since it uses less digits than its factorization.

206662220107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553851305.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 206662220107 its reverse (701022266602), we get a palindrome (907684486709).

The spelling of 206662220107 in words is "two hundred six billion, six hundred sixty-two million, two hundred twenty thousand, one hundred seven".