13204020001 has 4 divisors (see below), whose sum is σ = 13204275904. Its totient is φ = 13203764100.

The previous prime is 13204019987. The next prime is 13204020017. The reversal of 13204020001 is 10002040231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10002040231 = 29 ⋅344897939.

It is a cyclic number.

It is not a de Polignac number, because 13204020001 - 2⁹ = 13204019489 is a prime.

It is a super-2 number, since 2×13204020001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13204020031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20445 + ... + 163786.

It is an arithmetic number, because the mean of its divisors is an integer number (3301068976).

Almost surely, 2^13204020001 is an apocalyptic number.

It is an amenable number.

13204020001 is a deficient number, since it is larger than the sum of its proper divisors (255903).

13204020001 is an equidigital number, since it uses as much as digits as its factorization.

13204020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255902.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 13204020001 its reverse (10002040231), we get a palindrome (23206060232).

The spelling of 13204020001 in words is "thirteen billion, two hundred four million, twenty thousand, one".