120000020020 has 48 divisors (see below), whose sum is σ = 258086283840. Its totient is φ = 46842679296.

The previous prime is 120000020009. The next prime is 120000020047. The reversal of 120000020020 is 20020000021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120000019985 and 120000020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931071 + ... + 1052089.

It is an arithmetic number, because the mean of its divisors is an integer number (5376797580).

Almost surely, 2^120000020020 is an apocalyptic number.

120000020020 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 120000020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129043141920).

120000020020 is an abundant number, since it is smaller than the sum of its proper divisors (138086263820).

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

120000020020 is a wasteful number, since it uses less digits than its factorization.

120000020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122224 (or 122222 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 120000020020 its reverse (20020000021), we get a palindrome (140020020041).

The spelling of 120000020020 in words is "one hundred twenty billion, twenty thousand, twenty".