13132322120 has 64 divisors (see below), whose sum is σ = 30502897920. Its totient is φ = 5085287424.

The previous prime is 13132322117. The next prime is 13132322173. The reversal of 13132322120 is 2122323131.

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 = 13132322092 and 13132322101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160577 + ... + 228143.

It is an arithmetic number, because the mean of its divisors is an integer number (476607780).

Almost surely, 2^13132322120 is an apocalyptic number.

13132322120 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 13132322120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15251448960).

13132322120 is an abundant number, since it is smaller than the sum of its proper divisors (17370575800).

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

13132322120 is a wasteful number, since it uses less digits than its factorization.

13132322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67734 (or 67730 counting only the distinct ones).

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

Adding to 13132322120 its reverse (2122323131), we get a palindrome (15254645251).

The spelling of 13132322120 in words is "thirteen billion, one hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty".