20803327902743 has 2 divisors, whose sum is σ = 20803327902744. Its totient is φ = 20803327902742.

The previous prime is 20803327902677. The next prime is 20803327902781. The reversal of 20803327902743 is 34720972330802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20803327902743 - 2¹⁶ = 20803327837207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20803327902691 and 20803327902700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20803327902043) 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, 10401663951371 + 10401663951372.

It is an arithmetic number, because the mean of its divisors is an integer number (10401663951372).

Almost surely, 2^{20803327902743} is an apocalyptic number.

20803327902743 is a deficient number, since it is larger than the sum of its proper divisors (1).

20803327902743 is an equidigital number, since it uses as much as digits as its factorization.

20803327902743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 20803327902743 in words is "twenty trillion, eight hundred three billion, three hundred twenty-seven million, nine hundred two thousand, seven hundred forty-three".