206906250244 has 24 divisors (see below), whose sum is σ = 363565474328. Its totient is φ = 103030755840.

The previous prime is 206906250233. The next prime is 206906250251. The reversal of 206906250244 is 442052609602.

It can be written as a sum of positive squares in 4 ways, for example, as 29134393344 + 177771856900 = 170688^2 + 421630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 206906250197 and 206906250206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351182 + ... + 2437594.

Almost surely, 2^206906250244 is an apocalyptic number.

It is an amenable number.

206906250244 is a deficient number, since it is larger than the sum of its proper divisors (156659224084).

206906250244 is a wasteful number, since it uses less digits than its factorization.

206906250244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88855 (or 88853 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 206906250244 its reverse (442052609602), we get a palindrome (648958859846).

The spelling of 206906250244 in words is "two hundred six billion, nine hundred six million, two hundred fifty thousand, two hundred forty-four".