20104413253401 has 4 divisors (see below), whose sum is σ = 26805884337872. Its totient is φ = 13402942168932.

The previous prime is 20104413253373. The next prime is 20104413253427. The reversal of 20104413253401 is 10435231440102.

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.

It is not a de Polignac number, because 20104413253401 - 2²⁵ = 20104379698969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20104413253471) 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, 3350735542231 + ... + 3350735542236.

It is an arithmetic number, because the mean of its divisors is an integer number (6701471084468).

Almost surely, 2^{20104413253401} is an apocalyptic number.

It is an amenable number.

20104413253401 is a deficient number, since it is larger than the sum of its proper divisors (6701471084471).

20104413253401 is an equidigital number, since it uses as much as digits as its factorization.

20104413253401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701471084470.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20104413253401 its reverse (10435231440102), we get a palindrome (30539644693503).

The spelling of 20104413253401 in words is "twenty trillion, one hundred four billion, four hundred thirteen million, two hundred fifty-three thousand, four hundred one".