120233131020 has 144 divisors (see below), whose sum is σ = 370001399040. Its totient is φ = 31598633088.

The previous prime is 120233131003. The next prime is 120233131021. The reversal of 120233131020 is 20131332021.

120233131020 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 331 + 310 + 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 = 120233130984 and 120233131002.

It is not an unprimeable number, because it can be changed into a prime (120233131021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6250257 + ... + 6269463.

It is an arithmetic number, because the mean of its divisors is an integer number (2569454160).

Almost surely, 2^120233131020 is an apocalyptic number.

120233131020 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 120233131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185000699520).

120233131020 is an abundant number, since it is smaller than the sum of its proper divisors (249768268020).

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

120233131020 is a wasteful number, since it uses less digits than its factorization.

120233131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19724 (or 19719 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120233131020 its reverse (20131332021), we get a palindrome (140364463041).

The spelling of 120233131020 in words is "one hundred twenty billion, two hundred thirty-three million, one hundred thirty-one thousand, twenty".