12020200202020 has 24 divisors (see below), whose sum is σ = 25588207008504. Its totient is φ = 4742215969536.

The previous prime is 12020200202009. The next prime is 12020200202029. The reversal of 12020200202020 is 2020200202021.

It can be written as a sum of positive squares in 4 ways, for example, as 2280969842944 + 9739230359076 = 1510288^2 + 3120774^2 .

It is not an unprimeable number, because it can be changed into a prime (12020200202029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4116505459 + ... + 4116508378.

It is an arithmetic number, because the mean of its divisors is an integer number (1066175292021).

Almost surely, 2^{12020200202020} is an apocalyptic number.

12020200202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020200202020 is an abundant number, since it is smaller than the sum of its proper divisors (13568006806484).

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

12020200202020 is a wasteful number, since it uses less digits than its factorization.

12020200202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233013919 (or 8233013917 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 12020200202020 its reverse (2020200202021), we get a palindrome (14040400404041).

Subtracting from 12020200202020 its reverse (2020200202021), we obtain a palindrome (9999999999999).

The spelling of 12020200202020 in words is "twelve trillion, twenty billion, two hundred million, two hundred two thousand, twenty".