20232425 has 6 divisors (see below), whose sum is σ = 25088238. Its totient is φ = 16185920.

The previous prime is 20232413. The next prime is 20232427. The reversal of 20232425 is 52423202.

It can be written as a sum of positive squares in 3 ways, for example, as 1056784 + 19175641 = 1028^2 + 4379^2 .

It is not a de Polignac number, because 20232425 - 2⁴ = 20232409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20232397 and 20232406.

It is not an unprimeable number, because it can be changed into a prime (20232427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404624 + ... + 404673.

It is an arithmetic number, because the mean of its divisors is an integer number (4181373).

Almost surely, 2^20232425 is an apocalyptic number.

20232425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20232425 is a deficient number, since it is larger than the sum of its proper divisors (4855813).

20232425 is an equidigital number, since it uses as much as digits as its factorization.

20232425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809307 (or 809302 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20232425 is about 4498.0467983337. The cubic root of 20232425 is about 272.4892120410.

Adding to 20232425 its reverse (52423202), we get a palindrome (72655627).

The spelling of 20232425 in words is "twenty million, two hundred thirty-two thousand, four hundred twenty-five".