120231020 has 96 divisors (see below), whose sum is σ = 320925696. Its totient is φ = 36806400.

The previous prime is 120230963. The next prime is 120231043. The reversal of 120231020 is 20132021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120230992 and 120231010.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 55355 + ... + 57485.

It is an arithmetic number, because the mean of its divisors is an integer number (3342976).

Almost surely, 2^120231020 is an apocalyptic number.

120231020 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 120231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160462848).

120231020 is an abundant number, since it is smaller than the sum of its proper divisors (200694676).

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

120231020 is a wasteful number, since it uses less digits than its factorization.

120231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120231020 is about 10964.9906520708. The cubic root of 120231020 is about 493.5587365807.

Adding to 120231020 its reverse (20132021), we get a palindrome (140363041).

The spelling of 120231020 in words is "one hundred twenty million, two hundred thirty-one thousand, twenty".