13532021120 has 32 divisors (see below), whose sum is σ = 32349989520. Its totient is φ = 5412808192.

The previous prime is 13532021099. The next prime is 13532021161. The reversal of 13532021120 is 2112023531.

It is a tau number, because it is divible by the number of its divisors (32).

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 = 13532021092 and 13532021101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10571252 + ... + 10572531.

Almost surely, 2^13532021120 is an apocalyptic number.

13532021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13532021120 is an abundant number, since it is smaller than the sum of its proper divisors (18817968400).

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

13532021120 is an equidigital number, since it uses as much as digits as its factorization.

13532021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21143802 (or 21143790 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13532021120 its reverse (2112023531), we get a palindrome (15644044651).

The spelling of 13532021120 in words is "thirteen billion, five hundred thirty-two million, twenty-one thousand, one hundred twenty".