320201112120 has 64 divisors (see below), whose sum is σ = 964589329440. Its totient is φ = 85032652800.

The previous prime is 320201112103. The next prime is 320201112131. The reversal of 320201112120 is 21211102023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 320201112120.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5507061 + ... + 5564900.

Almost surely, 2^320201112120 is an apocalyptic number.

320201112120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320201112120 is an abundant number, since it is smaller than the sum of its proper divisors (644388217320).

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

320201112120 is a wasteful number, since it uses less digits than its factorization.

320201112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072216 (or 11072212 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 320201112120 its reverse (21211102023), we get a palindrome (341412214143).

The spelling of 320201112120 in words is "three hundred twenty billion, two hundred one million, one hundred twelve thousand, one hundred twenty".