20422743138219 has 32 divisors (see below), whose sum is σ = 29611820800000. Its totient is φ = 12472496225280.

The previous prime is 20422743138211. The next prime is 20422743138269. The reversal of 20422743138219 is 91283134722402.

It is a happy number.

It is not a de Polignac number, because 20422743138219 - 2³ = 20422743138211 is a prime.

It is a super-2 number, since 2×20422743138219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20422743138211) 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 in 31 ways as a sum of consecutive naturals, for example, 2419864 + ... + 6833829.

It is an arithmetic number, because the mean of its divisors is an integer number (925369400000).

Almost surely, 2^{20422743138219} is an apocalyptic number.

20422743138219 is a deficient number, since it is larger than the sum of its proper divisors (9189077661781).

20422743138219 is a wasteful number, since it uses less digits than its factorization.

20422743138219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254995.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 20422743138219 in words is "twenty trillion, four hundred twenty-two billion, seven hundred forty-three million, one hundred thirty-eight thousand, two hundred nineteen".