20766946565112 has 64 divisors (see below), whose sum is σ = 58018520367360. Its totient is φ = 6139525958400.

The previous prime is 20766946565047. The next prime is 20766946565161. The reversal of 20766946565112 is 21156564966702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959290108 + ... + 959311755.

It is an arithmetic number, because the mean of its divisors is an integer number (906539380740).

Almost surely, 2^{20766946565112} is an apocalyptic number.

20766946565112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20766946565112 is an abundant number, since it is smaller than the sum of its proper divisors (37251573802248).

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

20766946565112 is a wasteful number, since it uses less digits than its factorization.

20766946565112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918601924 (or 1918601920 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 20766946565112 in words is "twenty trillion, seven hundred sixty-six billion, nine hundred forty-six million, five hundred sixty-five thousand, one hundred twelve".