13302320011220 has 24 divisors (see below), whose sum is σ = 27935201881608. Its totient is φ = 5320865174400.

The previous prime is 13302320011199. The next prime is 13302320011229. The reversal of 13302320011220 is 2211002320331.

It can be written as a sum of positive squares in 4 ways, for example, as 888803959696 + 12413516051524 = 942764^2 + 3523282^2 .

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 = 13302320011192 and 13302320011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302320011229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171651 + ... + 5596490.

It is an arithmetic number, because the mean of its divisors is an integer number (1163966745067).

Almost surely, 2^{13302320011220} is an apocalyptic number.

13302320011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13302320011220 is an abundant number, since it is smaller than the sum of its proper divisors (14632881870388).

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

13302320011220 is a wasteful number, since it uses less digits than its factorization.

13302320011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7853771 (or 7853769 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13302320011220 its reverse (2211002320331), we get a palindrome (15513322331551).

The spelling of 13302320011220 in words is "thirteen trillion, three hundred two billion, three hundred twenty million, eleven thousand, two hundred twenty".