120010020020 has 96 divisors (see below), whose sum is σ = 277901366400. Its totient is φ = 43169472000.

The previous prime is 120010020001. The next prime is 120010020047. The reversal of 120010020020 is 20020010021.

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, 39750071 + ... + 39753089.

It is an arithmetic number, because the mean of its divisors is an integer number (2894805900).

Almost surely, 2^120010020020 is an apocalyptic number.

120010020020 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 120010020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138950683200).

120010020020 is an abundant number, since it is smaller than the sum of its proper divisors (157891346380).

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

120010020020 is a wasteful number, since it uses less digits than its factorization.

120010020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929 (or 4927 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 120010020020 its reverse (20020010021), we get a palindrome (140030030041).

Subtracting from 120010020020 its reverse (20020010021), we obtain a palindrome (99990009999).

The spelling of 120010020020 in words is "one hundred twenty billion, ten million, twenty thousand, twenty".