20325337 has 2 divisors, whose sum is σ = 20325338. Its totient is φ = 20325336.

The previous prime is 20325311. The next prime is 20325379. The reversal of 20325337 is 73352302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13995081 + 6330256 = 3741^2 + 2516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20325337 is a prime.

It is not a weakly prime, because it can be changed into another prime (20325637) 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 as a sum of consecutive naturals, namely, 10162668 + 10162669.

It is an arithmetic number, because the mean of its divisors is an integer number (10162669).

Almost surely, 2^20325337 is an apocalyptic number.

It is an amenable number.

20325337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20325337 is an equidigital number, since it uses as much as digits as its factorization.

20325337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 20325337 is about 4508.3630066799. The cubic root of 20325337 is about 272.9056864478.

Adding to 20325337 its reverse (73352302), we get a palindrome (93677639).

The spelling of 20325337 in words is "twenty million, three hundred twenty-five thousand, three hundred thirty-seven".