13320132220 has 24 divisors (see below), whose sum is σ = 28003850784. Its totient is φ = 5322038976.

The previous prime is 13320132211. The next prime is 13320132233. The reversal of 13320132220 is 2223102331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357687 + ... + 393166.

It is an arithmetic number, because the mean of its divisors is an integer number (1166827116).

Almost surely, 2^13320132220 is an apocalyptic number.

13320132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320132220 is an abundant number, since it is smaller than the sum of its proper divisors (14683718564).

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

13320132220 is a wasteful number, since it uses less digits than its factorization.

13320132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751749 (or 751747 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13320132220 its reverse (2223102331), we get a palindrome (15543234551).

The spelling of 13320132220 in words is "thirteen billion, three hundred twenty million, one hundred thirty-two thousand, two hundred twenty".