13242013020 has 72 divisors (see below), whose sum is σ = 40296765600. Its totient is φ = 3519834240.

The previous prime is 13242013019. The next prime is 13242013049. The reversal of 13242013020 is 2031024231.

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 = 13242012984 and 13242013002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62295 + ... + 174254.

It is an arithmetic number, because the mean of its divisors is an integer number (559677300).

Almost surely, 2^13242013020 is an apocalyptic number.

13242013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13242013020 is an abundant number, since it is smaller than the sum of its proper divisors (27054752580).

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

13242013020 is a wasteful number, since it uses less digits than its factorization.

13242013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236875 (or 236870 counting only the distinct ones).

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

Adding to 13242013020 its reverse (2031024231), we get a palindrome (15273037251).

The spelling of 13242013020 in words is "thirteen billion, two hundred forty-two million, thirteen thousand, twenty".