20260225 has 6 divisors (see below), whose sum is σ = 25122710. Its totient is φ = 16208160.

The previous prime is 20260211. The next prime is 20260237. The reversal of 20260225 is 52206202.

It can be written as a sum of positive squares in 3 ways, for example, as 332929 + 19927296 = 577^2 + 4464^2 .

It is not a de Polignac number, because 20260225 - 2⁵ = 20260193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405180 + ... + 405229.

Almost surely, 2^20260225 is an apocalyptic number.

20260225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20260225 is a deficient number, since it is larger than the sum of its proper divisors (4862485).

20260225 is an equidigital number, since it uses as much as digits as its factorization.

20260225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810419 (or 810414 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20260225 is about 4501.1359677308. The cubic root of 20260225 is about 272.6139578919.

Adding to 20260225 its reverse (52206202), we get a palindrome (72466427).

The spelling of 20260225 in words is "twenty million, two hundred sixty thousand, two hundred twenty-five".