20003422013443 has 32 divisors (see below), whose sum is σ = 22547060490240. Its totient is φ = 17581754484000.

The previous prime is 20003422013429. The next prime is 20003422013447. The reversal of 20003422013443 is 34431022430002.

It is a cyclic number.

It is not a de Polignac number, because 20003422013443 - 2¹⁷ = 20003421882371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003422013447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2345887846 + ... + 2345896372.

It is an arithmetic number, because the mean of its divisors is an integer number (704595640320).

Almost surely, 2^{20003422013443} is an apocalyptic number.

20003422013443 is a deficient number, since it is larger than the sum of its proper divisors (2543638476797).

20003422013443 is a wasteful number, since it uses less digits than its factorization.

20003422013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14239.

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

Adding to 20003422013443 its reverse (34431022430002), we get a palindrome (54434444443445).

The spelling of 20003422013443 in words is "twenty trillion, three billion, four hundred twenty-two million, thirteen thousand, four hundred forty-three".