20366072663 has 8 divisors (see below), whose sum is σ = 20463484800. Its totient is φ = 20268890208.

The previous prime is 20366072609. The next prime is 20366072669. The reversal of 20366072663 is 36627066302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20366072663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20366072663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366072669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121673 + ... + 235661.

It is an arithmetic number, because the mean of its divisors is an integer number (2557935600).

Almost surely, 2^20366072663 is an apocalyptic number.

20366072663 is a deficient number, since it is larger than the sum of its proper divisors (97412137).

20366072663 is a wasteful number, since it uses less digits than its factorization.

20366072663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114841.

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 20366072663 in words is "twenty billion, three hundred sixty-six million, seventy-two thousand, six hundred sixty-three".