12000220020 has 72 divisors (see below), whose sum is σ = 36438685920. Its totient is φ = 3196716480.

The previous prime is 12000220003. The next prime is 12000220021. The reversal of 12000220020 is 2002200021.

12000220020 is digitally balanced in base 2, 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 (9).

It is a junction number, because it is equal to n+sod(n) for n = 12000219984 and 12000220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140451 + ... + 209109.

It is an arithmetic number, because the mean of its divisors is an integer number (506092860).

Almost surely, 2^12000220020 is an apocalyptic number.

12000220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000220020 is an abundant number, since it is smaller than the sum of its proper divisors (24438465900).

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

12000220020 is a wasteful number, since it uses less digits than its factorization.

12000220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69645 (or 69640 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 12000220020 its reverse (2002200021), we get a palindrome (14002420041).

The spelling of 12000220020 in words is "twelve billion, two hundred twenty thousand, twenty".