20022204224 has 112 divisors (see below), whose sum is σ = 43927410240. Its totient is φ = 8979210240.

The previous prime is 20022204221. The next prime is 20022204259. The reversal of 20022204224 is 42240222002.

It is a junction number, because it is equal to n+sod(n) for n = 20022204196 and 20022204205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022204221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23308307 + ... + 23309165.

It is an arithmetic number, because the mean of its divisors is an integer number (392209020).

Almost surely, 2^20022204224 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 20022204224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21963705120).

20022204224 is an abundant number, since it is smaller than the sum of its proper divisors (23905206016).

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

20022204224 is a wasteful number, since it uses less digits than its factorization.

20022204224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20022204224 its reverse (42240222002), we get a palindrome (62262426226).

The spelling of 20022204224 in words is "twenty billion, twenty-two million, two hundred four thousand, two hundred twenty-four".