13030031232020 has 48 divisors (see below), whose sum is σ = 30544817421888. Its totient is φ = 4628002632960.

The previous prime is 13030031231981. The next prime is 13030031232131. The reversal of 13030031232020 is 2023213003031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13030031231983 and 13030031232001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688681409 + ... + 688700328.

It is an arithmetic number, because the mean of its divisors is an integer number (636350362956).

Almost surely, 2^{13030031232020} is an apocalyptic number.

13030031232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030031232020 is an abundant number, since it is smaller than the sum of its proper divisors (17514786189868).

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

13030031232020 is a wasteful number, since it uses less digits than its factorization.

13030031232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377381800 (or 1377381798 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13030031232020 its reverse (2023213003031), we get a palindrome (15053244235051).

The spelling of 13030031232020 in words is "thirteen trillion, thirty billion, thirty-one million, two hundred thirty-two thousand, twenty".