13032321003220 has 24 divisors (see below), whose sum is σ = 27638843161608. Its totient is φ = 5161315248000.

The previous prime is 13032321003211. The next prime is 13032321003293. The reversal of 13032321003220 is 2230012323031.

It can be written as a sum of positive squares in 4 ways, for example, as 5864214364996 + 7168106638224 = 2421614^2 + 2677332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13032321003191 and 13032321003200.

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, 3225820011 + ... + 3225824050.

It is an arithmetic number, because the mean of its divisors is an integer number (1151618465067).

Almost surely, 2^{13032321003220} is an apocalyptic number.

13032321003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13032321003220 is an abundant number, since it is smaller than the sum of its proper divisors (14606522158388).

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

13032321003220 is a wasteful number, since it uses less digits than its factorization.

13032321003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451644171 (or 6451644169 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13032321003220 its reverse (2230012323031), we get a palindrome (15262333326251).

The spelling of 13032321003220 in words is "thirteen trillion, thirty-two billion, three hundred twenty-one million, three thousand, two hundred twenty".