120320201320 has 128 divisors (see below), whose sum is σ = 298518773760. Its totient is φ = 43282632960.

The previous prime is 120320201303. The next prime is 120320201329. The reversal of 120320201320 is 23102023021.

It is a junction number, because it is equal to n+sod(n) for n = 120320201294 and 120320201303.

It is not an unprimeable number, because it can be changed into a prime (120320201329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20505027 + ... + 20510893.

It is an arithmetic number, because the mean of its divisors is an integer number (2332177920).

Almost surely, 2^120320201320 is an apocalyptic number.

120320201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120320201320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149259386880).

120320201320 is an abundant number, since it is smaller than the sum of its proper divisors (178198572440).

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

120320201320 is a wasteful number, since it uses less digits than its factorization.

120320201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383 (or 6379 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120320201320 its reverse (23102023021), we get a palindrome (143422224341).

The spelling of 120320201320 in words is "one hundred twenty billion, three hundred twenty million, two hundred one thousand, three hundred twenty".