13305541220 has 24 divisors (see below), whose sum is σ = 27961007424. Its totient is φ = 5318526816.

The previous prime is 13305541211. The next prime is 13305541229. The reversal of 13305541220 is 2214550331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13305541211) and next prime (13305541229).

It is a self number, because there is not a number n which added to its sum of digits gives 13305541220.

It is not an unprimeable number, because it can be changed into a prime (13305541229) 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, 200942 + ... + 258821.

It is an arithmetic number, because the mean of its divisors is an integer number (1165041976).

Almost surely, 2^13305541220 is an apocalyptic number.

13305541220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13305541220 is an abundant number, since it is smaller than the sum of its proper divisors (14655466204).

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

13305541220 is a wasteful number, since it uses less digits than its factorization.

13305541220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461219 (or 461217 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 13305541220 in words is "thirteen billion, three hundred five million, five hundred forty-one thousand, two hundred twenty".