120323320020 has 96 divisors (see below), whose sum is σ = 386414730240. Its totient is φ = 31051175040.

The previous prime is 120323319959. The next prime is 120323320097. The reversal of 120323320020 is 20023323021.

It is a happy number.

120323320020 is a `hidden beast` number, since 1 + 2 + 0 + 323 + 320 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120323319975 and 120323320002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3577147 + ... + 3610626.

It is an arithmetic number, because the mean of its divisors is an integer number (4025153440).

Almost surely, 2^120323320020 is an apocalyptic number.

120323320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120323320020 is an abundant number, since it is smaller than the sum of its proper divisors (266091410220).

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

120323320020 is a wasteful number, since it uses less digits than its factorization.

120323320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187822 (or 7187814 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 120323320020 its reverse (20023323021), we get a palindrome (140346643041).

The spelling of 120323320020 in words is "one hundred twenty billion, three hundred twenty-three million, three hundred twenty thousand, twenty".