13023312003220 has 48 divisors (see below), whose sum is σ = 28966304980368. Its totient is φ = 4901439928320.

The previous prime is 13023312003211. The next prime is 13023312003253. The reversal of 13023312003220 is 2230021332031.

It can be written as a sum of positive squares in 8 ways, for example, as 3338382111376 + 9684929891844 = 1827124^2 + 3112062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13023312003191 and 13023312003200.

It is a congruent number.

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, 4531191 + ... + 6824830.

It is an arithmetic number, because the mean of its divisors is an integer number (603464687091).

Almost surely, 2^{13023312003220} is an apocalyptic number.

13023312003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023312003220 is an abundant number, since it is smaller than the sum of its proper divisors (15942992977148).

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

13023312003220 is a wasteful number, since it uses less digits than its factorization.

13023312003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359420 (or 11359418 counting only the distinct ones).

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

Adding to 13023312003220 its reverse (2230021332031), we get a palindrome (15253333335251).

The spelling of 13023312003220 in words is "thirteen trillion, twenty-three billion, three hundred twelve million, three thousand, two hundred twenty".