20333555034673 has 2 divisors, whose sum is σ = 20333555034674. Its totient is φ = 20333555034672.

The previous prime is 20333555034647. The next prime is 20333555034677. The reversal of 20333555034673 is 37643055533302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12732572202529 + 7600982832144 = 3568273^2 + 2756988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20333555034673 is a prime.

It is not a weakly prime, because it can be changed into another prime (20333555034677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166777517336 + 10166777517337.

It is an arithmetic number, because the mean of its divisors is an integer number (10166777517337).

Almost surely, 2^{20333555034673} is an apocalyptic number.

It is an amenable number.

20333555034673 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333555034673 is an equidigital number, since it uses as much as digits as its factorization.

20333555034673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206000, while the sum is 49.

The spelling of 20333555034673 in words is "twenty trillion, three hundred thirty-three billion, five hundred fifty-five million, thirty-four thousand, six hundred seventy-three".