13020003040 has 48 divisors (see below), whose sum is σ = 33556103280. Its totient is φ = 4734545920.

The previous prime is 13020003011. The next prime is 13020003071. The reversal of 13020003040 is 4030002031.

It is a self number, because there is not a number n which added to its sum of digits gives 13020003040.

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, 3697105 + ... + 3700624.

It is an arithmetic number, because the mean of its divisors is an integer number (699085485).

Almost surely, 2^13020003040 is an apocalyptic number.

13020003040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13020003040 is an abundant number, since it is smaller than the sum of its proper divisors (20536100240).

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

13020003040 is a wasteful number, since it uses less digits than its factorization.

13020003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397755 (or 7397747 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 13020003040 its reverse (4030002031), we get a palindrome (17050005071).

The spelling of 13020003040 in words is "thirteen billion, twenty million, three thousand, forty".