20260250 has 16 divisors (see below), whose sum is σ = 37927656. Its totient is φ = 8104000.

The previous prime is 20260237. The next prime is 20260259. The reversal of 20260250 is 5206202.

It can be written as a sum of positive squares in 4 ways, for example, as 6295081 + 13965169 = 2509^2 + 3737^2 .

It is not an unprimeable number, because it can be changed into a prime (20260259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40271 + ... + 40770.

Almost surely, 2^20260250 is an apocalyptic number.

20260250 is a deficient number, since it is larger than the sum of its proper divisors (17667406).

20260250 is an equidigital number, since it uses as much as digits as its factorization.

20260250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81058 (or 81048 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20260250 is about 4501.1387448067. The cubic root of 20260250 is about 272.6140700221.

Adding to 20260250 its reverse (5206202), we get a palindrome (25466452).

The spelling of 20260250 in words is "twenty million, two hundred sixty thousand, two hundred fifty".