120017320 has 32 divisors (see below), whose sum is σ = 275788800. Its totient is φ = 46984768.

The previous prime is 120017311. The next prime is 120017321. The reversal of 120017320 is 23710021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120017294 and 120017303.

It is not an unprimeable number, because it can be changed into a prime (120017321) 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 7 ways as a sum of consecutive naturals, for example, 30040 + ... + 33799.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2^120017320 is an apocalyptic number.

120017320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120017320 is an abundant number, since it is smaller than the sum of its proper divisors (155771480).

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

120017320 is a wasteful number, since it uses less digits than its factorization.

120017320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63897 (or 63893 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 120017320 is about 10955.2416678045. The cubic root of 120017320 is about 493.2661441651.

Adding to 120017320 its reverse (23710021), we get a palindrome (143727341).

It can be divided in two parts, 12001 and 7320, that added together give a square (19321 = 139²).

The spelling of 120017320 in words is "one hundred twenty million, seventeen thousand, three hundred twenty".