20132425 has 6 divisors (see below), whose sum is σ = 24964238. Its totient is φ = 16105920.

The previous prime is 20132407. The next prime is 20132443. The reversal of 20132425 is 52423102.

It is an interprime number because it is at equal distance from previous prime (20132407) and next prime (20132443).

It can be written as a sum of positive squares in 3 ways, for example, as 3059001 + 17073424 = 1749^2 + 4132^2 .

It is not a de Polignac number, because 20132425 - 2⁷ = 20132297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402624 + ... + 402673.

Almost surely, 2^20132425 is an apocalyptic number.

20132425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20132425 is a deficient number, since it is larger than the sum of its proper divisors (4831813).

20132425 is an equidigital number, since it uses as much as digits as its factorization.

20132425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805307 (or 805302 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20132425 is about 4486.9170930607. The cubic root of 20132425 is about 272.0395388384.

Adding to 20132425 its reverse (52423102), we get a palindrome (72555527).

The spelling of 20132425 in words is "twenty million, one hundred thirty-two thousand, four hundred twenty-five".