13003232020 has 24 divisors (see below), whose sum is σ = 27310185000. Its totient is φ = 5200645632.

The previous prime is 13003231973. The next prime is 13003232057. The reversal of 13003232020 is 2023230031.

It can be written as a sum of positive squares in 4 ways, for example, as 7681821316 + 5321410704 = 87646^2 + 72948^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13003231985 and 13003232003.

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, 145056 + ... + 216904.

It is an arithmetic number, because the mean of its divisors is an integer number (1137924375).

Almost surely, 2^13003232020 is an apocalyptic number.

13003232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003232020 is an abundant number, since it is smaller than the sum of its proper divisors (14306952980).

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

13003232020 is a wasteful number, since it uses less digits than its factorization.

13003232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80907 (or 80905 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 13003232020 its reverse (2023230031), we get a palindrome (15026462051).

The spelling of 13003232020 in words is "thirteen billion, three million, two hundred thirty-two thousand, twenty".