320110223420 has 96 divisors (see below), whose sum is σ = 744045904896. Its totient is φ = 114916838400.

The previous prime is 320110223359. The next prime is 320110223449. The reversal of 320110223420 is 24322011023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 320110223392 and 320110223401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14139710 + ... + 14162330.

It is an arithmetic number, because the mean of its divisors is an integer number (7750478176).

Almost surely, 2^320110223420 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 320110223420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372022952448).

320110223420 is an abundant number, since it is smaller than the sum of its proper divisors (423935681476).

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

320110223420 is a wasteful number, since it uses less digits than its factorization.

320110223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24151 (or 24149 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320110223420 its reverse (24322011023), we get a palindrome (344432234443).

The spelling of 320110223420 in words is "three hundred twenty billion, one hundred ten million, two hundred twenty-three thousand, four hundred twenty".