20322044424 has 128 divisors (see below), whose sum is σ = 61727299200. Its totient is φ = 6143662080.

The previous prime is 20322044423. The next prime is 20322044459. The reversal of 20322044424 is 42444022302.

20322044424 is a `hidden beast` number, since 2 + 0 + 32 + 204 + 4 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20322044423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1018932 + ... + 1038684.

It is an arithmetic number, because the mean of its divisors is an integer number (482244525).

Almost surely, 2^20322044424 is an apocalyptic number.

20322044424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322044424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30863649600).

20322044424 is an abundant number, since it is smaller than the sum of its proper divisors (41405254776).

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

20322044424 is a wasteful number, since it uses less digits than its factorization.

20322044424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20212 (or 20202 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 20322044424 its reverse (42444022302), we get a palindrome (62766066726).

The spelling of 20322044424 in words is "twenty billion, three hundred twenty-two million, forty-four thousand, four hundred twenty-four".