220554113444 has 96 divisors (see below), whose sum is σ = 463945305600. Its totient is φ = 91661673600.

The previous prime is 220554113387. The next prime is 220554113473. The reversal of 220554113444 is 444311455022.

It is a happy number.

It is a super-2 number, since 2×220554113444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 5923574 + ... + 5960690.

It is an arithmetic number, because the mean of its divisors is an integer number (4832763600).

Almost surely, 2^220554113444 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 220554113444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231972652800).

220554113444 is an abundant number, since it is smaller than the sum of its proper divisors (243391192156).

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

220554113444 is a wasteful number, since it uses less digits than its factorization.

220554113444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37274 (or 37258 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 220554113444 its reverse (444311455022), we get a palindrome (664865568466).

The spelling of 220554113444 in words is "two hundred twenty billion, five hundred fifty-four million, one hundred thirteen thousand, four hundred forty-four".