20346310406605 has 8 divisors (see below), whose sum is σ = 24724630368000. Its totient is φ = 16071009738576.

The previous prime is 20346310406561. The next prime is 20346310406623. The reversal of 20346310406605 is 50660401364302.

It is a happy number.

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 20346310406605 - 2²³ = 20346302017997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25754822905 + ... + 25754823694.

It is an arithmetic number, because the mean of its divisors is an integer number (3090578796000).

Almost surely, 2^{20346310406605} is an apocalyptic number.

It is an amenable number.

20346310406605 is a deficient number, since it is larger than the sum of its proper divisors (4378319961395).

20346310406605 is an equidigital number, since it uses as much as digits as its factorization.

20346310406605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51509646683.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 20346310406605 in words is "twenty trillion, three hundred forty-six billion, three hundred ten million, four hundred six thousand, six hundred five".