20005761657676 has 12 divisors (see below), whose sum is σ = 35010278853760. Its totient is φ = 10002824842320.

The previous prime is 20005761657667. The next prime is 20005761657683. The reversal of 20005761657676 is 67675616750002.

It is a self number, because there is not a number n which added to its sum of digits gives 20005761657676.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13187436 + ... + 14626003.

Almost surely, 2^{20005761657676} is an apocalyptic number.

It is an amenable number.

20005761657676 is a deficient number, since it is larger than the sum of its proper divisors (15004517196084).

20005761657676 is a wasteful number, since it uses less digits than its factorization.

20005761657676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27993264 (or 27993262 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 20005761657676 in words is "twenty trillion, five billion, seven hundred sixty-one million, six hundred fifty-seven thousand, six hundred seventy-six".