20048213 has 2 divisors, whose sum is σ = 20048214. Its totient is φ = 20048212.

The previous prime is 20048207. The next prime is 20048233. The reversal of 20048213 is 31284002.

It is an a-pointer prime, because the next prime (20048233) can be obtained adding 20048213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 7360369 = 3562^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 20048213 - 2¹⁰ = 20047189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20048233) 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, 10024106 + 10024107.

It is an arithmetic number, because the mean of its divisors is an integer number (10024107).

Almost surely, 2^20048213 is an apocalyptic number.

It is an amenable number.

20048213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20048213 is an equidigital number, since it uses as much as digits as its factorization.

20048213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20048213 is about 4477.5230876010. The cubic root of 20048213 is about 271.6597036535.

The spelling of 20048213 in words is "twenty million, forty-eight thousand, two hundred thirteen".