120020010120 has 160 divisors (see below), whose sum is σ = 413240085720. Its totient is φ = 31224683520.

The previous prime is 120020010119. The next prime is 120020010137. The reversal of 120020010120 is 21010020021.

It can be written as a sum of positive squares in 4 ways, for example, as 93735170244 + 26284839876 = 306162^2 + 162126^2 .

It is a super-3 number, since 3×120020010120³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 318907 + ... + 584586.

Almost surely, 2^120020010120 is an apocalyptic number.

120020010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020010120 is an abundant number, since it is smaller than the sum of its proper divisors (293220075600).

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

120020010120 is a wasteful number, since it uses less digits than its factorization.

120020010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903557 (or 903544 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120020010120 its reverse (21010020021), we get a palindrome (141030030141).

Subtracting from 120020010120 its reverse (21010020021), we obtain a palindrome (99009990099).

The spelling of 120020010120 in words is "one hundred twenty billion, twenty million, ten thousand, one hundred twenty".