13320201222020 has 72 divisors (see below), whose sum is σ = 35138911036992. Its totient is φ = 4151751024960.

The previous prime is 13320201221989. The next prime is 13320201222037. The reversal of 13320201222020 is 2022210202331.

It is a happy number.

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 = 13320201221983 and 13320201222001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393141302 + ... + 393175181.

Almost surely, 2^{13320201222020} is an apocalyptic number.

13320201222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320201222020 is an abundant number, since it is smaller than the sum of its proper divisors (21818709814972).

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

13320201222020 is a wasteful number, since it uses less digits than its factorization.

13320201222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786316521 (or 786316508 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13320201222020 its reverse (2022210202331), we get a palindrome (15342411424351).

The spelling of 13320201222020 in words is "thirteen trillion, three hundred twenty billion, two hundred one million, two hundred twenty-two thousand, twenty".