20833125 has 40 divisors (see below), whose sum is σ = 35688576. Its totient is φ = 10800000.

The previous prime is 20833121. The next prime is 20833133. The reversal of 20833125 is 52133802.

It is not a de Polignac number, because 20833125 - 2² = 20833121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20833095 and 20833104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20833121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 76740 + ... + 77010.

Almost surely, 2^20833125 is an apocalyptic number.

20833125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20833125 is a deficient number, since it is larger than the sum of its proper divisors (14855451).

20833125 is an equidigital number, since it uses as much as digits as its factorization.

20833125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20833125 is about 4564.3318240461. The cubic root of 20833125 is about 275.1596868695.

Adding to 20833125 its reverse (52133802), we get a palindrome (72966927).

It can be divided in two parts, 208 and 33125, that added together give a palindrome (33333).

The spelling of 20833125 in words is "twenty million, eight hundred thirty-three thousand, one hundred twenty-five".