13320112221020 has 48 divisors (see below), whose sum is σ = 30515805583200. Its totient is φ = 4843575678720.

The previous prime is 13320112220969. The next prime is 13320112221023. The reversal of 13320112221020 is 2012221102331.

13320112221020 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 13320112220983 and 13320112221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320112221023) 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, 10317686 + ... + 11536674.

It is an arithmetic number, because the mean of its divisors is an integer number (635745949650).

Almost surely, 2^{13320112221020} is an apocalyptic number.

13320112221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320112221020 is an abundant number, since it is smaller than the sum of its proper divisors (17195693362180).

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

13320112221020 is a wasteful number, since it uses less digits than its factorization.

13320112221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268678 (or 1268676 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13320112221020 its reverse (2012221102331), we get a palindrome (15332333323351).

The spelling of 13320112221020 in words is "thirteen trillion, three hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, twenty".