206023250 has 64 divisors (see below), whose sum is σ = 403734240. Its totient is φ = 78624000.

The previous prime is 206023229. The next prime is 206023253. The reversal of 206023250 is 52320602.

206023250 = 4138² + 4139² + ... + 4149².

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 74943649 + 131079601 = 8657^2 + 11449^2 .

It is not an unprimeable number, because it can be changed into a prime (206023253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1138160 + ... + 1138340.

Almost surely, 2^206023250 is an apocalyptic number.

206023250 is a deficient number, since it is larger than the sum of its proper divisors (197710990).

206023250 is a wasteful number, since it uses less digits than its factorization.

206023250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 206023250 is about 14353.5100236841. The cubic root of 206023250 is about 590.6162764778.

Adding to 206023250 its reverse (52320602), we get a palindrome (258343852).

The spelling of 206023250 in words is "two hundred six million, twenty-three thousand, two hundred fifty".