20344511332303 has 2 divisors, whose sum is σ = 20344511332304. Its totient is φ = 20344511332302.

The previous prime is 20344511332151. The next prime is 20344511332331. The reversal of 20344511332303 is 30323311544302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20344511332303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20344511332363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172255666151 + 10172255666152.

It is an arithmetic number, because the mean of its divisors is an integer number (10172255666152).

Almost surely, 2^{20344511332303} is an apocalyptic number.

20344511332303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344511332303 is an equidigital number, since it uses as much as digits as its factorization.

20344511332303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 20344511332303 its reverse (30323311544302), we get a palindrome (50667822876605).

The spelling of 20344511332303 in words is "twenty trillion, three hundred forty-four billion, five hundred eleven million, three hundred thirty-two thousand, three hundred three".