20841136343 has 2 divisors, whose sum is σ = 20841136344. Its totient is φ = 20841136342.

The previous prime is 20841136313. The next prime is 20841136361. The reversal of 20841136343 is 34363114802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20841136343 - 2⁶ = 20841136279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20841136313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10420568171 + 10420568172.

It is an arithmetic number, because the mean of its divisors is an integer number (10420568172).

Almost surely, 2^20841136343 is an apocalyptic number.

20841136343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20841136343 is an equidigital number, since it uses as much as digits as its factorization.

20841136343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20841136343 in words is "twenty billion, eight hundred forty-one million, one hundred thirty-six thousand, three hundred forty-three".