13220032032 has 72 divisors (see below), whose sum is σ = 38986876656. Its totient is φ = 4406674752.

The previous prime is 13220031971. The next prime is 13220032073. The reversal of 13220032032 is 23023002231.

It is a happy number.

13220032032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 13220031996 and 13220032014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842278 + ... + 857829.

It is an arithmetic number, because the mean of its divisors is an integer number (541484398).

Almost surely, 2^13220032032 is an apocalyptic number.

13220032032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13220032032 is an abundant number, since it is smaller than the sum of its proper divisors (25766844624).

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

13220032032 is an equidigital number, since it uses as much as digits as its factorization.

13220032032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700132 (or 1700112 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 13220032032 its reverse (23023002231), we get a palindrome (36243034263).

The spelling of 13220032032 in words is "thirteen billion, two hundred twenty million, thirty-two thousand, thirty-two".