20803231243363 has 2 divisors, whose sum is σ = 20803231243364. Its totient is φ = 20803231243362.

The previous prime is 20803231243339. The next prime is 20803231243397. The reversal of 20803231243363 is 36334213230802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20803231243363 - 2⁹ = 20803231242851 is a prime.

It is not a weakly prime, because it can be changed into another prime (20803231243313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10401615621681 + 10401615621682.

It is an arithmetic number, because the mean of its divisors is an integer number (10401615621682).

Almost surely, 2^{20803231243363} is an apocalyptic number.

20803231243363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20803231243363 is an equidigital number, since it uses as much as digits as its factorization.

20803231243363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 20803231243363 in words is "twenty trillion, eight hundred three billion, two hundred thirty-one million, two hundred forty-three thousand, three hundred sixty-three".