20832025 has 6 divisors (see below), whose sum is σ = 25831742. Its totient is φ = 16665600.

The previous prime is 20832023. The next prime is 20832047. The reversal of 20832025 is 52023802.

It can be written as a sum of positive squares in 3 ways, for example, as 156816 + 20675209 = 396^2 + 4547^2 .

It is not a de Polignac number, because 20832025 - 2¹ = 20832023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20831987 and 20832005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20832023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416616 + ... + 416665.

Almost surely, 2^20832025 is an apocalyptic number.

20832025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20832025 is a deficient number, since it is larger than the sum of its proper divisors (4999717).

20832025 is an equidigital number, since it uses as much as digits as its factorization.

20832025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833291 (or 833286 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20832025 is about 4564.2113228903. The cubic root of 20832025 is about 275.1548439253.

Adding to 20832025 its reverse (52023802), we get a palindrome (72855827).

The spelling of 20832025 in words is "twenty million, eight hundred thirty-two thousand, twenty-five".