20004022422 has 24 divisors (see below), whose sum is σ = 43344784080. Its totient is φ = 6667586640.

The previous prime is 20004022421. The next prime is 20004022427. The reversal of 20004022422 is 22422040002.

20004022422 is a `hidden beast` number, since 20 + 0 + 0 + 402 + 242 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20004022395 and 20004022404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004022421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412279 + ... + 458237.

It is an arithmetic number, because the mean of its divisors is an integer number (1806032670).

Almost surely, 2^20004022422 is an apocalyptic number.

20004022422 is an abundant number, since it is smaller than the sum of its proper divisors (23340761658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20004022422 is a wasteful number, since it uses less digits than its factorization.

20004022422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70148 (or 70145 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20004022422 its reverse (22422040002), we get a palindrome (42426062424).

The spelling of 20004022422 in words is "twenty billion, four million, twenty-two thousand, four hundred twenty-two".