20413152104305 has 4 divisors (see below), whose sum is σ = 24495782525172. Its totient is φ = 16330521683440.

The previous prime is 20413152104291. The next prime is 20413152104339. The reversal of 20413152104305 is 50340125131402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9759482216289 + 10653669888016 = 3124017^2 + 3263996^2 .

It is not a de Polignac number, because 20413152104305 - 2¹⁵ = 20413152071537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041315210426 + ... + 2041315210435.

It is an arithmetic number, because the mean of its divisors is an integer number (6123945631293).

Almost surely, 2^{20413152104305} is an apocalyptic number.

It is an amenable number.

20413152104305 is a deficient number, since it is larger than the sum of its proper divisors (4082630420867).

20413152104305 is an equidigital number, since it uses as much as digits as its factorization.

20413152104305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082630420866.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 20413152104305 its reverse (50340125131402), we get a palindrome (70753277235707).

The spelling of 20413152104305 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-two million, one hundred four thousand, three hundred five".