20686662333041 has 32 divisors (see below), whose sum is σ = 22219361009280. Its totient is φ = 19202908032000.

The previous prime is 20686662333023. The next prime is 20686662333067. The reversal of 20686662333041 is 14033326668602.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20686662333041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20686662333011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143263706 + ... + 143408028.

It is an arithmetic number, because the mean of its divisors is an integer number (694355031540).

Almost surely, 2^{20686662333041} is an apocalyptic number.

It is an amenable number.

20686662333041 is a deficient number, since it is larger than the sum of its proper divisors (1532698676239).

20686662333041 is a wasteful number, since it uses less digits than its factorization.

20686662333041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145217.

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 20686662333041 in words is "twenty trillion, six hundred eighty-six billion, six hundred sixty-two million, three hundred thirty-three thousand, forty-one".