20243042221033 has 2 divisors, whose sum is σ = 20243042221034. Its totient is φ = 20243042221032.

The previous prime is 20243042220979. The next prime is 20243042221037. The reversal of 20243042221033 is 33012224034202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12360941050969 + 7882101170064 = 3515813^2 + 2807508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20243042221033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20243042220992 and 20243042221010.

It is not a weakly prime, because it can be changed into another prime (20243042221037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121521110516 + 10121521110517.

It is an arithmetic number, because the mean of its divisors is an integer number (10121521110517).

Almost surely, 2^{20243042221033} is an apocalyptic number.

It is an amenable number.

20243042221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243042221033 is an equidigital number, since it uses as much as digits as its factorization.

20243042221033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20243042221033 its reverse (33012224034202), we get a palindrome (53255266255235).

The spelling of 20243042221033 in words is "twenty trillion, two hundred forty-three billion, forty-two million, two hundred twenty-one thousand, thirty-three".