13003140020 has 24 divisors (see below), whose sum is σ = 29407101864. Its totient is φ = 4801159296.

The previous prime is 13003140001. The next prime is 13003140043. The reversal of 13003140020 is 2004130031.

It can be written as a sum of positive squares in 4 ways, for example, as 266211856 + 12736928164 = 16316^2 + 112858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13003139977 and 13003140004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25005779 + ... + 25006298.

It is an arithmetic number, because the mean of its divisors is an integer number (1225295911).

Almost surely, 2^13003140020 is an apocalyptic number.

13003140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003140020 is an abundant number, since it is smaller than the sum of its proper divisors (16403961844).

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

13003140020 is a wasteful number, since it uses less digits than its factorization.

13003140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50012099 (or 50012097 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13003140020 its reverse (2004130031), we get a palindrome (15007270051).

The spelling of 13003140020 in words is "thirteen billion, three million, one hundred forty thousand, twenty".