120311043320 has 64 divisors (see below), whose sum is σ = 298302570720. Its totient is φ = 43389448704.

The previous prime is 120311043317. The next prime is 120311043329. The reversal of 120311043320 is 23340113021.

It is a super-3 number, since 3×120311043320³ (a number of 34 digits) contains 333 as substring.

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 = 120311043292 and 120311043301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311043329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667959 + ... + 2712678.

Almost surely, 2^120311043320 is an apocalyptic number.

120311043320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120311043320 is an abundant number, since it is smaller than the sum of its proper divisors (177991527400).

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

120311043320 is a wasteful number, since it uses less digits than its factorization.

120311043320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380704 (or 5380700 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120311043320 its reverse (23340113021), we get a palindrome (143651156341).

The spelling of 120311043320 in words is "one hundred twenty billion, three hundred eleven million, forty-three thousand, three hundred twenty".