12020202000020 has 12 divisors (see below), whose sum is σ = 25242424200084. Its totient is φ = 4808080800000.

The previous prime is 12020201999999. The next prime is 12020202000029. The reversal of 12020202000020 is 2000020202021.

It can be written as a sum of positive squares in 2 ways, for example, as 7478452824976 + 4541749175044 = 2734676^2 + 2131138^2 .

It is a super-2 number, since 2×12020202000020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020201999965 and 12020202000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020202000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300505049981 + ... + 300505050020.

It is an arithmetic number, because the mean of its divisors is an integer number (2103535350007).

Almost surely, 2^{12020202000020} is an apocalyptic number.

12020202000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020202000020 is an abundant number, since it is smaller than the sum of its proper divisors (13222222200064).

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

12020202000020 is a wasteful number, since it uses less digits than its factorization.

12020202000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601010100010 (or 601010100008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12020202000020 its reverse (2000020202021), we get a palindrome (14020222202041).

The spelling of 12020202000020 in words is "twelve trillion, twenty billion, two hundred two million, twenty", and thus it is an aban number.