20448341 has 2 divisors, whose sum is σ = 20448342. Its totient is φ = 20448340.

The previous prime is 20448319. The next prime is 20448343. The reversal of 20448341 is 14384402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20340100 + 108241 = 4510^2 + 329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20448341 is a prime.

Together with 20448343, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20448341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20448343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10224170 + 10224171.

It is an arithmetic number, because the mean of its divisors is an integer number (10224171).

Almost surely, 2^20448341 is an apocalyptic number.

It is an amenable number.

20448341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20448341 is an equidigital number, since it uses as much as digits as its factorization.

20448341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 20448341 is about 4521.9841883846. The cubic root of 20448341 is about 273.4550992602.

The spelling of 20448341 in words is "twenty million, four hundred forty-eight thousand, three hundred forty-one".