32020640663 has 8 divisors (see below), whose sum is σ = 36770113920. Its totient is φ = 27577585080.

The previous prime is 32020640653. The next prime is 32020640671. The reversal of 32020640663 is 36604602023.

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

It is a cyclic number.

It is not a de Polignac number, because 32020640663 - 2⁴ = 32020640647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020640653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76604195 + ... + 76604612.

It is an arithmetic number, because the mean of its divisors is an integer number (4596264240).

Almost surely, 2^32020640663 is an apocalyptic number.

32020640663 is a deficient number, since it is larger than the sum of its proper divisors (4749473257).

32020640663 is a wasteful number, since it uses less digits than its factorization.

32020640663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153208837.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 32020640663 in words is "thirty-two billion, twenty million, six hundred forty thousand, six hundred sixty-three".