20446466662260 has 72 divisors (see below), whose sum is σ = 63340543558656. Its totient is φ = 5336382786240.

The previous prime is 20446466662247. The next prime is 20446466662291. The reversal of 20446466662260 is 6226666464402.

It is a junction number, because it is equal to n+sod(n) for n = 20446466662197 and 20446466662206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208411556 + ... + 1208428475.

It is an arithmetic number, because the mean of its divisors is an integer number (879729771648).

Almost surely, 2^{20446466662260} is an apocalyptic number.

20446466662260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20446466662260 is an abundant number, since it is smaller than the sum of its proper divisors (42894076896396).

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

20446466662260 is a wasteful number, since it uses less digits than its factorization.

20446466662260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416840093 (or 2416840088 counting only the distinct ones).

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

The spelling of 20446466662260 in words is "twenty trillion, four hundred forty-six billion, four hundred sixty-six million, six hundred sixty-two thousand, two hundred sixty".