13220101332 has 72 divisors (see below), whose sum is σ = 34342753536. Its totient is φ = 4284840384.

The previous prime is 13220101313. The next prime is 13220101339. The reversal of 13220101332 is 23310102231.

13220101332 is a `hidden beast` number, since 1 + 322 + 0 + 10 + 1 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220101339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3545253 + ... + 3548979.

It is an arithmetic number, because the mean of its divisors is an integer number (476982688).

Almost surely, 2^13220101332 is an apocalyptic number.

13220101332 is a gapful number since it is divisible by the number (12) 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 13220101332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17171376768).

13220101332 is an abundant number, since it is smaller than the sum of its proper divisors (21122652204).

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

13220101332 is a wasteful number, since it uses less digits than its factorization.

13220101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13220101332 its reverse (23310102231), we get a palindrome (36530203563).

The spelling of 13220101332 in words is "thirteen billion, two hundred twenty million, one hundred one thousand, three hundred thirty-two".