120002021020 has 48 divisors (see below), whose sum is σ = 288312534720. Its totient is φ = 41099595264.

The previous prime is 120002021003. The next prime is 120002021101. The reversal of 120002021020 is 20120200021.

120002021020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120002020988 and 120002021006.

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, 326215 + ... + 588574.

It is an arithmetic number, because the mean of its divisors is an integer number (6006511140).

Almost surely, 2^120002021020 is an apocalyptic number.

120002021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120002021020 is an abundant number, since it is smaller than the sum of its proper divisors (168310513700).

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

120002021020 is a wasteful number, since it uses less digits than its factorization.

120002021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915742 (or 915740 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120002021020 its reverse (20120200021), we get a palindrome (140122221041).

The spelling of 120002021020 in words is "one hundred twenty billion, two million, twenty-one thousand, twenty".