20466064663204 has 12 divisors (see below), whose sum is σ = 35827891416604. Its totient is φ = 10229524258464.

The previous prime is 20466064663157. The next prime is 20466064663211. The reversal of 20466064663204 is 40236646066402.

It can be written as a sum of positive squares in 2 ways, for example, as 18003456330304 + 2462608332900 = 4243048^2 + 1569270^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 877005159 + ... + 877028494.

Almost surely, 2^{20466064663204} is an apocalyptic number.

It is an amenable number.

20466064663204 is a deficient number, since it is larger than the sum of its proper divisors (15361826753400).

20466064663204 is a wasteful number, since it uses less digits than its factorization.

20466064663204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754036574 (or 1754036572 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 49.

The spelling of 20466064663204 in words is "twenty trillion, four hundred sixty-six billion, sixty-four million, six hundred sixty-three thousand, two hundred four".