20413665215461 has 8 divisors (see below), whose sum is σ = 24082480623104. Its totient is φ = 16932994187760.

The previous prime is 20413665215431. The next prime is 20413665215513. The reversal of 20413665215461 is 16451256631402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20413665215461 - 2¹¹ = 20413665213413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413665215431) 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, 47036094750 + ... + 47036095183.

It is an arithmetic number, because the mean of its divisors is an integer number (3010310077888).

Almost surely, 2^{20413665215461} is an apocalyptic number.

It is an amenable number.

20413665215461 is a deficient number, since it is larger than the sum of its proper divisors (3668815407643).

20413665215461 is an equidigital number, since it uses as much as digits as its factorization.

20413665215461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94072189971.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 20413665215461 in words is "twenty trillion, four hundred thirteen billion, six hundred sixty-five million, two hundred fifteen thousand, four hundred sixty-one".