13032120312020 has 12 divisors (see below), whose sum is σ = 27367452655284. Its totient is φ = 5212848124800.

The previous prime is 13032120312019. The next prime is 13032120312061. The reversal of 13032120312020 is 2021302123031.

It can be written as a sum of positive squares in 2 ways, for example, as 8188960596496 + 4843159715524 = 2861636^2 + 2200718^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 651606015601 = 13032120312020 / (1 + 3 + 0 + 3 + 2 + 1 + 2 + 0 + 3 + 1 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13032120311983 and 13032120312001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 325803007781 + ... + 325803007820.

It is an arithmetic number, because the mean of its divisors is an integer number (2280621054607).

Almost surely, 2^{13032120312020} is an apocalyptic number.

13032120312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13032120312020 is an abundant number, since it is smaller than the sum of its proper divisors (14335332343264).

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

13032120312020 is a wasteful number, since it uses less digits than its factorization.

13032120312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651606015610 (or 651606015608 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13032120312020 its reverse (2021302123031), we get a palindrome (15053422435051).

The spelling of 13032120312020 in words is "thirteen trillion, thirty-two billion, one hundred twenty million, three hundred twelve thousand, twenty".