20741323 has 2 divisors, whose sum is σ = 20741324. Its totient is φ = 20741322.

The previous prime is 20741321. The next prime is 20741341. The reversal of 20741323 is 32314702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20741323 - 2¹ = 20741321 is a prime.

Together with 20741321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20741294 and 20741303.

It is not a weakly prime, because it can be changed into another prime (20741321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10370661 + 10370662.

It is an arithmetic number, because the mean of its divisors is an integer number (10370662).

Almost surely, 2^20741323 is an apocalyptic number.

20741323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20741323 is an equidigital number, since it uses as much as digits as its factorization.

20741323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20741323 is about 4554.2642654989. The cubic root of 20741323 is about 274.7549243571.

The spelling of 20741323 in words is "twenty million, seven hundred forty-one thousand, three hundred twenty-three".