13331031432020 has 12 divisors (see below), whose sum is σ = 27995166007284. Its totient is φ = 5332412572800.

The previous prime is 13331031432001. The next prime is 13331031432023. The reversal of 13331031432020 is 2023413013331.

It can be written as a sum of positive squares in 2 ways, for example, as 9629763350596 + 3701268081424 = 3103186^2 + 1923868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331031432023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333275785781 + ... + 333275785820.

It is an arithmetic number, because the mean of its divisors is an integer number (2332930500607).

Almost surely, 2^{13331031432020} is an apocalyptic number.

13331031432020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13331031432020 is an abundant number, since it is smaller than the sum of its proper divisors (14664134575264).

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

13331031432020 is a wasteful number, since it uses less digits than its factorization.

13331031432020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666551571610 (or 666551571608 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13331031432020 its reverse (2023413013331), we get a palindrome (15354444445351).

The spelling of 13331031432020 in words is "thirteen trillion, three hundred thirty-one billion, thirty-one million, four hundred thirty-two thousand, twenty".