12020221341020 has 24 divisors (see below), whose sum is σ = 25243908719568. Its totient is φ = 4807813507200.

The previous prime is 12020221340993. The next prime is 12020221341169. The reversal of 12020221341020 is 2014312202021.

It is a super-2 number, since 2×12020221341020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12020221340983 and 12020221341001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16830761 + ... + 17530400.

It is an arithmetic number, because the mean of its divisors is an integer number (1051829529982).

Almost surely, 2^{12020221341020} is an apocalyptic number.

12020221341020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020221341020 is an abundant number, since it is smaller than the sum of its proper divisors (13223687378548).

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

12020221341020 is a wasteful number, since it uses less digits than its factorization.

12020221341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34378661 (or 34378659 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12020221341020 its reverse (2014312202021), we get a palindrome (14034533543041).

The spelling of 12020221341020 in words is "twelve trillion, twenty billion, two hundred twenty-one million, three hundred forty-one thousand, twenty".