20848753 has 2 divisors, whose sum is σ = 20848754. Its totient is φ = 20848752.

The previous prime is 20848733. The next prime is 20848759. The reversal of 20848753 is 35784802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18809569 + 2039184 = 4337^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 20848753 - 2⁹ = 20848241 is a prime.

It is not a weakly prime, because it can be changed into another prime (20848759) by changing a digit.

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 as a sum of consecutive naturals, namely, 10424376 + 10424377.

It is an arithmetic number, because the mean of its divisors is an integer number (10424377).

Almost surely, 2^20848753 is an apocalyptic number.

It is an amenable number.

20848753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20848753 is an equidigital number, since it uses as much as digits as its factorization.

20848753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 20848753 is about 4566.0434732928. The cubic root of 20848753 is about 275.2284734896.

The spelling of 20848753 in words is "twenty million, eight hundred forty-eight thousand, seven hundred fifty-three".