13204203313240 has 32 divisors (see below), whose sum is σ = 29743333768080. Its totient is φ = 5275658869632.

The previous prime is 13204203313219. The next prime is 13204203313247. The reversal of 13204203313240 is 4231330240231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13204203313199 and 13204203313208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204203313247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188166222 + ... + 188236381.

Almost surely, 2^{13204203313240} is an apocalyptic number.

13204203313240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13204203313240 is an abundant number, since it is smaller than the sum of its proper divisors (16539130454840).

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

13204203313240 is a wasteful number, since it uses less digits than its factorization.

13204203313240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376403491 (or 376403487 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13204203313240 its reverse (4231330240231), we get a palindrome (17435533553471).

The spelling of 13204203313240 in words is "thirteen trillion, two hundred four billion, two hundred three million, three hundred thirteen thousand, two hundred forty".