20076676706566 has 16 divisors (see below), whose sum is σ = 31444265088000. Its totient is φ = 9595807831368.

The previous prime is 20076676706521. The next prime is 20076676706651. The reversal of 20076676706566 is 66560767667002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20076676706498 and 20076676706507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138131766 + ... + 138277033.

It is an arithmetic number, because the mean of its divisors is an integer number (1965266568000).

Almost surely, 2^{20076676706566} is an apocalyptic number.

20076676706566 is a deficient number, since it is larger than the sum of its proper divisors (11367588381434).

20076676706566 is a wasteful number, since it uses less digits than its factorization.

20076676706566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276410403.

The product of its (nonzero) digits is 160030080, while the sum is 64.

The spelling of 20076676706566 in words is "twenty trillion, seventy-six billion, six hundred seventy-six million, seven hundred six thousand, five hundred sixty-six".