13240032010020 has 72 divisors (see below), whose sum is σ = 40760854802304. Its totient is φ = 3477978554688.

The previous prime is 13240032010013. The next prime is 13240032010043. The reversal of 13240032010020 is 2001023004231.

13240032010020 is a `hidden beast` number, since 1 + 3 + 240 + 0 + 320 + 100 + 2 + 0 = 666.

It is a super-3 number, since 3×13240032010020³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13240032009975 and 13240032010002.

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 23 ways as a sum of consecutive naturals, for example, 548911324 + ... + 548935443.

Almost surely, 2^{13240032010020} is an apocalyptic number.

13240032010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240032010020 is an abundant number, since it is smaller than the sum of its proper divisors (27520822792284).

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

13240032010020 is a wasteful number, since it uses less digits than its factorization.

13240032010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097846849 (or 1097846844 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13240032010020 its reverse (2001023004231), we get a palindrome (15241055014251).

The spelling of 13240032010020 in words is "thirteen trillion, two hundred forty billion, thirty-two million, ten thousand, twenty".