20343652660164 has 24 divisors (see below), whose sum is σ = 47468818650400. Its totient is φ = 6781175299584.

The previous prime is 20343652660153. The next prime is 20343652660193. The reversal of 20343652660164 is 46106625634302.

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, 3244189 + ... + 7156260.

Almost surely, 2^{20343652660164} is an apocalyptic number.

It is an amenable number.

20343652660164 is an abundant number, since it is smaller than the sum of its proper divisors (27125165990236).

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

20343652660164 is a wasteful number, since it uses less digits than its factorization.

20343652660164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10563459 (or 10563457 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 20343652660164 in words is "twenty trillion, three hundred forty-three billion, six hundred fifty-two million, six hundred sixty thousand, one hundred sixty-four".