20413164451064 has 64 divisors (see below), whose sum is σ = 47719611613440. Its totient is φ = 7953093308160.

The previous prime is 20413164451037. The next prime is 20413164451129. The reversal of 20413164451064 is 46015446131402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103588532 + ... + 103785404.

It is an arithmetic number, because the mean of its divisors is an integer number (745618931460).

Almost surely, 2^{20413164451064} is an apocalyptic number.

It is an amenable number.

20413164451064 is an abundant number, since it is smaller than the sum of its proper divisors (27306447162376).

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

20413164451064 is a wasteful number, since it uses less digits than its factorization.

20413164451064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365220 (or 365216 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 20413164451064 in words is "twenty trillion, four hundred thirteen billion, one hundred sixty-four million, four hundred fifty-one thousand, sixty-four".