20833325 has 12 divisors (see below), whose sum is σ = 25974528. Its totient is φ = 16575600.

The previous prime is 20833303. The next prime is 20833343. The reversal of 20833325 is 52333802.

It is not a de Polignac number, because 20833325 - 2⁸ = 20833069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20833294 and 20833303.

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, 2594 + ... + 6956.

It is an arithmetic number, because the mean of its divisors is an integer number (2164544).

Almost surely, 2^20833325 is an apocalyptic number.

20833325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20833325 is a deficient number, since it is larger than the sum of its proper divisors (5141203).

20833325 is a wasteful number, since it uses less digits than its factorization.

20833325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4559 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20833325 is about 4564.3537330054. The cubic root of 20833325 is about 275.1605673865.

It can be divided in two parts, 208 and 33325, that added together give a palindrome (33533).

The spelling of 20833325 in words is "twenty million, eight hundred thirty-three thousand, three hundred twenty-five".