20848325 has 6 divisors (see below), whose sum is σ = 25851954. Its totient is φ = 16678640.

The previous prime is 20848297. The next prime is 20848343. The reversal of 20848325 is 52384802.

It can be written as a sum of positive squares in 3 ways, for example, as 36481 + 20811844 = 191^2 + 4562^2 .

It is not a de Polignac number, because 20848325 - 2²⁰ = 19799749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20848291 and 20848300.

It is a congruent number.

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, 416942 + ... + 416991.

It is an arithmetic number, because the mean of its divisors is an integer number (4308659).

Almost surely, 2^20848325 is an apocalyptic number.

20848325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20848325 is a deficient number, since it is larger than the sum of its proper divisors (5003629).

20848325 is an equidigital number, since it uses as much as digits as its factorization.

20848325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833943 (or 833938 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 20848325 is about 4565.9966053426. The cubic root of 20848325 is about 275.2265901061.

The spelling of 20848325 in words is "twenty million, eight hundred forty-eight thousand, three hundred twenty-five".