13203240620 has 24 divisors (see below), whose sum is σ = 28932319584. Its totient is φ = 5051674496.

The previous prime is 13203240613. The next prime is 13203240629. The reversal of 13203240620 is 2604230231.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (13203240629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14350889 + ... + 14351808.

It is an arithmetic number, because the mean of its divisors is an integer number (1205513316).

Almost surely, 2^13203240620 is an apocalyptic number.

13203240620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203240620 is an abundant number, since it is smaller than the sum of its proper divisors (15729078964).

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

13203240620 is a wasteful number, since it uses less digits than its factorization.

13203240620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28702729 (or 28702727 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13203240620 its reverse (2604230231), we get a palindrome (15807470851).

The spelling of 13203240620 in words is "thirteen billion, two hundred three million, two hundred forty thousand, six hundred twenty".