20346317944806 has 64 divisors (see below), whose sum is σ = 46709216206848. Its totient is φ = 5787819383808.

The previous prime is 20346317944801. The next prime is 20346317944811. The reversal of 20346317944806 is 60844971364302.

It is an interprime number because it is at equal distance from previous prime (20346317944801) and next prime (20346317944811).

It is a super-2 number, since 2×20346317944806² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346317944801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132552955 + ... + 132706361.

It is an arithmetic number, because the mean of its divisors is an integer number (729831503232).

Almost surely, 2^{20346317944806} is an apocalyptic number.

20346317944806 is an abundant number, since it is smaller than the sum of its proper divisors (26362898262042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20346317944806 is a wasteful number, since it uses less digits than its factorization.

20346317944806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167205.

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 20346317944806 in words is "twenty trillion, three hundred forty-six billion, three hundred seventeen million, nine hundred forty-four thousand, eight hundred six".