20063347617 has 24 divisors (see below), whose sum is σ = 27849618784. Its totient is φ = 12847113216.

The previous prime is 20063347571. The next prime is 20063347621. The reversal of 20063347617 is 71674336002.

It is not a de Polignac number, because 20063347617 - 2⁶ = 20063347553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20063347627) 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 23 ways as a sum of consecutive naturals, for example, 466338 + ... + 507540.

Almost surely, 2^20063347617 is an apocalyptic number.

It is an amenable number.

20063347617 is a deficient number, since it is larger than the sum of its proper divisors (7786271167).

20063347617 is a wasteful number, since it uses less digits than its factorization.

20063347617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41457 (or 41428 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 20063347617 in words is "twenty billion, sixty-three million, three hundred forty-seven thousand, six hundred seventeen".