320201112 has 128 divisors (see below), whose sum is σ = 1005096960. Its totient is φ = 82581120.

The previous prime is 320201081. The next prime is 320201117. The reversal of 320201112 is 211102023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320201117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300693 + ... + 301755.

It is an arithmetic number, because the mean of its divisors is an integer number (7852320).

Almost surely, 2^320201112 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 320201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502548480).

320201112 is an abundant number, since it is smaller than the sum of its proper divisors (684895848).

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

320201112 is a wasteful number, since it uses less digits than its factorization.

320201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 320201112 is about 17894.1641883604. The cubic root of 320201112 is about 684.1336389474.

Adding to 320201112 its reverse (211102023), we get a palindrome (531303135).

It can be divided in two parts, 3202011 and 12, that added together give a palindrome (3202023).

The spelling of 320201112 in words is "three hundred twenty million, two hundred one thousand, one hundred twelve".