13011023103220 has 24 divisors (see below), whose sum is σ = 28061611991784. Its totient is φ = 5063749531776.

The previous prime is 13011023103167. The next prime is 13011023103229. The reversal of 13011023103220 is 2230132011031.

It can be written as a sum of positive squares in 4 ways, for example, as 3407110538896 + 9603912564324 = 1845836^2 + 3099018^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011023103229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8791231087 + ... + 8791232566.

It is an arithmetic number, because the mean of its divisors is an integer number (1169233832991).

Almost surely, 2^{13011023103220} is an apocalyptic number.

13011023103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011023103220 is an abundant number, since it is smaller than the sum of its proper divisors (15050588888564).

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

13011023103220 is a wasteful number, since it uses less digits than its factorization.

13011023103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17582463699 (or 17582463697 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13011023103220 its reverse (2230132011031), we get a palindrome (15241155114251).

The spelling of 13011023103220 in words is "thirteen trillion, eleven billion, twenty-three million, one hundred three thousand, two hundred twenty".