13353332520 has 192 divisors, whose sum is σ = 44233076160. Its totient is φ = 3222461440.

The previous prime is 13353332483. The next prime is 13353332521. The reversal of 13353332520 is 2523335331.

It is a super-2 number, since 2×13353332520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13353332521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3381187 + ... + 3385133.

It is an arithmetic number, because the mean of its divisors is an integer number (230380605).

Almost surely, 2^13353332520 is an apocalyptic number.

13353332520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13353332520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22116538080).

13353332520 is an abundant number, since it is smaller than the sum of its proper divisors (30879743640).

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

13353332520 is a wasteful number, since it uses less digits than its factorization.

13353332520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 30.

Adding to 13353332520 its reverse (2523335331), we get a palindrome (15876667851).

The spelling of 13353332520 in words is "thirteen billion, three hundred fifty-three million, three hundred thirty-two thousand, five hundred twenty".