20443230442333 has 2 divisors, whose sum is σ = 20443230442334. Its totient is φ = 20443230442332.

The previous prime is 20443230442307. The next prime is 20443230442357. The reversal of 20443230442333 is 33324403234402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17667201278169 + 2776029164164 = 4203237^2 + 1666142^2 .

It is a cyclic number.

It is not a de Polignac number, because 20443230442333 - 2¹³ = 20443230434141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20443230442292 and 20443230442301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20443230442133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221615221166 + 10221615221167.

It is an arithmetic number, because the mean of its divisors is an integer number (10221615221167).

Almost surely, 2^{20443230442333} is an apocalyptic number.

It is an amenable number.

20443230442333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20443230442333 is an equidigital number, since it uses as much as digits as its factorization.

20443230442333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 20443230442333 its reverse (33324403234402), we get a palindrome (53767633676735).

The spelling of 20443230442333 in words is "twenty trillion, four hundred forty-three billion, two hundred thirty million, four hundred forty-two thousand, three hundred thirty-three".