206220064162 has 24 divisors (see below), whose sum is σ = 359989203420. Its totient is φ = 88341654240.

The previous prime is 206220064159. The next prime is 206220064217. The reversal of 206220064162 is 261460022602.

It can be written as a sum of positive squares in 2 ways, for example, as 151874663521 + 54345400641 = 389711^2 + 233121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229389 + ... + 681952.

Almost surely, 2^206220064162 is an apocalyptic number.

206220064162 is a deficient number, since it is larger than the sum of its proper divisors (153769139258).

206220064162 is a wasteful number, since it uses less digits than its factorization.

206220064162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913666 (or 913659 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 206220064162 its reverse (261460022602), we get a palindrome (467680086764).

The spelling of 206220064162 in words is "two hundred six billion, two hundred twenty million, sixty-four thousand, one hundred sixty-two".