20134020422 has 16 divisors (see below), whose sum is σ = 30594240000. Its totient is φ = 9936031560.

The previous prime is 20134020409. The next prime is 20134020451. The reversal of 20134020422 is 22402043102.

It is a junction number, because it is equal to n+sod(n) for n = 20134020394 and 20134020403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452597 + ... + 495087.

It is an arithmetic number, because the mean of its divisors is an integer number (1912140000).

Almost surely, 2^20134020422 is an apocalyptic number.

20134020422 is a deficient number, since it is larger than the sum of its proper divisors (10460219578).

20134020422 is a wasteful number, since it uses less digits than its factorization.

20134020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45571.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20134020422 its reverse (22402043102), we get a palindrome (42536063524).

The spelling of 20134020422 in words is "twenty billion, one hundred thirty-four million, twenty thousand, four hundred twenty-two".