20248337 has 2 divisors, whose sum is σ = 20248338. Its totient is φ = 20248336.

The previous prime is 20248321. The next prime is 20248381. The reversal of 20248337 is 73384202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19324816 + 923521 = 4396^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 20248337 - 2⁴ = 20248321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20248537) 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, 10124168 + 10124169.

It is an arithmetic number, because the mean of its divisors is an integer number (10124169).

Almost surely, 2^20248337 is an apocalyptic number.

It is an amenable number.

20248337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20248337 is an equidigital number, since it uses as much as digits as its factorization.

20248337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 20248337 is about 4499.8152184284. The cubic root of 20248337 is about 272.5606273093.

The spelling of 20248337 in words is "twenty million, two hundred forty-eight thousand, three hundred thirty-seven".