20422324120 has 128 divisors (see below), whose sum is σ = 50618131200. Its totient is φ = 7354022400.

The previous prime is 20422324103. The next prime is 20422324121. The reversal of 20422324120 is 2142322402.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20422324091 and 20422324100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422324121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27634711 + ... + 27635449.

It is an arithmetic number, because the mean of its divisors is an integer number (395454150).

Almost surely, 2^20422324120 is an apocalyptic number.

20422324120 is a gapful number since it is divisible by the number (20) 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 20422324120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25309065600).

20422324120 is an abundant number, since it is smaller than the sum of its proper divisors (30195807080).

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

20422324120 is a wasteful number, since it uses less digits than its factorization.

20422324120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20422324120 its reverse (2142322402), we get a palindrome (22564646522).

The spelling of 20422324120 in words is "twenty billion, four hundred twenty-two million, three hundred twenty-four thousand, one hundred twenty".