20422242204 has 192 divisors, whose sum is σ = 60489676800. Its totient is φ = 5218255872.

The previous prime is 20422242173. The next prime is 20422242251. The reversal of 20422242204 is 40224222402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10867737 + ... + 10869615.

It is an arithmetic number, because the mean of its divisors is an integer number (315050400).

Almost surely, 2^20422242204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20422242204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30244838400).

20422242204 is an abundant number, since it is smaller than the sum of its proper divisors (40067434596).

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

20422242204 is a wasteful number, since it uses less digits than its factorization.

20422242204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20422242204 its reverse (40224222402), we get a palindrome (60646464606).

It can be divided in two parts, 20 and 422242204, that added together give a palindrome (422242224).

The spelling of 20422242204 in words is "twenty billion, four hundred twenty-two million, two hundred forty-two thousand, two hundred four".