20446466662206 has 96 divisors (see below), whose sum is σ = 47774899780608. Its totient is φ = 6282460491840.

The previous prime is 20446466662201. The next prime is 20446466662217. The reversal of 20446466662206 is 60226666464402.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20446466662201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505192551 + ... + 505233021.

It is an arithmetic number, because the mean of its divisors is an integer number (497655206048).

Almost surely, 2^{20446466662206} is an apocalyptic number.

20446466662206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20446466662206 is an abundant number, since it is smaller than the sum of its proper divisors (27328433118402).

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

20446466662206 is a wasteful number, since it uses less digits than its factorization.

20446466662206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43446 (or 43443 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 54.

The spelling of 20446466662206 in words is "twenty trillion, four hundred forty-six billion, four hundred sixty-six million, six hundred sixty-two thousand, two hundred six".