20340846671 has 8 divisors (see below), whose sum is σ = 20572120800. Its totient is φ = 20109633280.

The previous prime is 20340846661. The next prime is 20340846727. The reversal of 20340846671 is 17664804302.

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

It is a cyclic number.

It is not a de Polignac number, because 20340846671 - 2¹⁰ = 20340845647 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 (20340846641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266590 + ... + 1282548.

It is an arithmetic number, because the mean of its divisors is an integer number (2571515100).

Almost surely, 2^20340846671 is an apocalyptic number.

20340846671 is a deficient number, since it is larger than the sum of its proper divisors (231274129).

20340846671 is a wasteful number, since it uses less digits than its factorization.

20340846671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30369.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 20340846671 in words is "twenty billion, three hundred forty million, eight hundred forty-six thousand, six hundred seventy-one".