20466333563212 has 24 divisors (see below), whose sum is σ = 36351190113056. Its totient is φ = 10081308791808.

The previous prime is 20466333563189. The next prime is 20466333563213. The reversal of 20466333563212 is 21236533366402.

It is not an unprimeable number, because it can be changed into a prime (20466333563213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128613663 + ... + 128772694.

Almost surely, 2^{20466333563212} is an apocalyptic number.

It is an amenable number.

20466333563212 is a deficient number, since it is larger than the sum of its proper divisors (15884856549844).

20466333563212 is a wasteful number, since it uses less digits than its factorization.

20466333563212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257386657 (or 257386655 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 46.

The spelling of 20466333563212 in words is "twenty trillion, four hundred sixty-six billion, three hundred thirty-three million, five hundred sixty-three thousand, two hundred twelve".