13105550532020 has 48 divisors (see below), whose sum is σ = 28229127166800. Its totient is φ = 5108791474176.

The previous prime is 13105550532013. The next prime is 13105550532071. The reversal of 13105550532020 is 2023505550131.

It can be written as a sum of positive squares in 8 ways, for example, as 1440292814884 + 11665257717136 = 1200122^2 + 3415444^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41331077 + ... + 41646956.

It is an arithmetic number, because the mean of its divisors is an integer number (588106815975).

Almost surely, 2^{13105550532020} is an apocalyptic number.

13105550532020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13105550532020 is an abundant number, since it is smaller than the sum of its proper divisors (15123576634780).

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

13105550532020 is a wasteful number, since it uses less digits than its factorization.

13105550532020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82978244 (or 82978242 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 13105550532020 in words is "thirteen trillion, one hundred five billion, five hundred fifty million, five hundred thirty-two thousand, twenty".