320032220112 has 240 divisors, whose sum is σ = 982737100800. Its totient is φ = 96418755840.

The previous prime is 320032220069. The next prime is 320032220117. The reversal of 320032220112 is 211022230023.

320032220112 is a `hidden beast` number, since 320 + 0 + 322 + 20 + 1 + 1 + 2 = 666.

It is a super-3 number, since 3×320032220112³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320032220117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254194939 + ... + 254196197.

It is an arithmetic number, because the mean of its divisors is an integer number (4094737920).

Almost surely, 2^320032220112 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 320032220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491368550400).

320032220112 is an abundant number, since it is smaller than the sum of its proper divisors (662704880688).

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

320032220112 is a wasteful number, since it uses less digits than its factorization.

320032220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 320032220112 its reverse (211022230023), we get a palindrome (531054450135).

The spelling of 320032220112 in words is "three hundred twenty billion, thirty-two million, two hundred twenty thousand, one hundred twelve".