20422441530 has 192 divisors, whose sum is σ = 57812227200. Its totient is φ = 4981616640.

The previous prime is 20422441469. The next prime is 20422441537. The reversal of 20422441530 is 3514422402.

20422441530 is a `hidden beast` number, since 20 + 4 + 224 + 415 + 3 + 0 = 666.

It is a super-2 number, since 2×20422441530² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20422441494 and 20422441503.

It is not an unprimeable number, because it can be changed into a prime (20422441537) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23774241 + ... + 23775099.

It is an arithmetic number, because the mean of its divisors is an integer number (301105350).

Almost surely, 2^20422441530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20422441530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28906113600).

20422441530 is an abundant number, since it is smaller than the sum of its proper divisors (37389785670).

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

20422441530 is a wasteful number, since it uses less digits than its factorization.

20422441530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20422441530 its reverse (3514422402), we get a palindrome (23936863932).

The spelling of 20422441530 in words is "twenty billion, four hundred twenty-two million, four hundred forty-one thousand, five hundred thirty".