20441833 has 2 divisors, whose sum is σ = 20441834. Its totient is φ = 20441832.

The previous prime is 20441831. The next prime is 20441849. The reversal of 20441833 is 33814402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13749264 + 6692569 = 3708^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441833 - 2¹ = 20441831 is a prime.

Together with 20441831, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20441798 and 20441807.

It is not a weakly prime, because it can be changed into another prime (20441831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220916 + 10220917.

It is an arithmetic number, because the mean of its divisors is an integer number (10220917).

Almost surely, 2^20441833 is an apocalyptic number.

It is an amenable number.

20441833 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441833 is an equidigital number, since it uses as much as digits as its factorization.

20441833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20441833 is about 4521.2645355033. The cubic root of 20441833 is about 273.4260857472.

The spelling of 20441833 in words is "twenty million, four hundred forty-one thousand, eight hundred thirty-three".