22053351320 has 512 divisors, whose sum is σ = 71327692800. Its totient is φ = 5905612800.

The previous prime is 22053351311. The next prime is 22053351323. The reversal of 22053351320 is 2315335022.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 22053351320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053351323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 121841630 + ... + 121841810.

It is an arithmetic number, because the mean of its divisors is an integer number (139311900).

Almost surely, 2^22053351320 is an apocalyptic number.

22053351320 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 22053351320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35663846400).

22053351320 is an abundant number, since it is smaller than the sum of its proper divisors (49274341480).

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

22053351320 is a wasteful number, since it uses less digits than its factorization.

22053351320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 22053351320 its reverse (2315335022), we get a palindrome (24368686342).

It can be divided in two parts, 22053 and 351320, that added together give a palindrome (373373).

The spelling of 22053351320 in words is "twenty-two billion, fifty-three million, three hundred fifty-one thousand, three hundred twenty".