120221010020 has 48 divisors (see below), whose sum is σ = 267011371200. Its totient is φ = 45341493120.

The previous prime is 120221009999. The next prime is 120221010029. The reversal of 120221010020 is 20010122021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120221009983 and 120221010010.

It is not an unprimeable number, because it can be changed into a prime (120221010029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669515 + ... + 829874.

It is an arithmetic number, because the mean of its divisors is an integer number (5562736900).

Almost surely, 2^120221010020 is an apocalyptic number.

120221010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221010020 is an abundant number, since it is smaller than the sum of its proper divisors (146790361180).

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

120221010020 is a wasteful number, since it uses less digits than its factorization.

120221010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499628 (or 1499626 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120221010020 its reverse (20010122021), we get a palindrome (140231132041).

The spelling of 120221010020 in words is "one hundred twenty billion, two hundred twenty-one million, ten thousand, twenty".