20560250 has 16 divisors (see below), whose sum is σ = 38489256. Its totient is φ = 8224000.

The previous prime is 20560247. The next prime is 20560273. The reversal of 20560250 is 5206502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5248681 + 15311569 = 2291^2 + 3913^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40871 + ... + 41370.

Almost surely, 2^20560250 is an apocalyptic number.

20560250 is a deficient number, since it is larger than the sum of its proper divisors (17929006).

20560250 is an equidigital number, since it uses as much as digits as its factorization.

20560250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82258 (or 82248 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20560250 is about 4534.3411869863. The cubic root of 20560250 is about 273.9530439719.

Adding to 20560250 its reverse (5206502), we get a palindrome (25766752).

The spelling of 20560250 in words is "twenty million, five hundred sixty thousand, two hundred fifty".