20314225 has 12 divisors (see below), whose sum is σ = 25452364. Its totient is φ = 16081920.

The previous prime is 20314219. The next prime is 20314237. The reversal of 20314225 is 52241302.

It can be written as a sum of positive squares in 6 ways, for example, as 2598544 + 17715681 = 1612^2 + 4209^2 .

It is not a de Polignac number, because 20314225 - 2¹⁹ = 19789937 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1764 + ... + 6613.

Almost surely, 2^20314225 is an apocalyptic number.

20314225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20314225 is a deficient number, since it is larger than the sum of its proper divisors (5138139).

20314225 is an equidigital number, since it uses as much as digits as its factorization.

20314225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484 (or 8479 counting only the distinct ones).

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

The square root of 20314225 is about 4507.1304618349. The cubic root of 20314225 is about 272.8559442501.

Adding to 20314225 its reverse (52241302), we get a palindrome (72555527).

The spelling of 20314225 in words is "twenty million, three hundred fourteen thousand, two hundred twenty-five".