20001102017 has 8 divisors (see below), whose sum is σ = 22282395240. Its totient is φ = 17825915520.

The previous prime is 20001101993. The next prime is 20001102031. The reversal of 20001102017 is 71020110002.

It can be written as a sum of positive squares in 4 ways, for example, as 4596736 + 19996505281 = 2144^2 + 141409^2 .

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 20001102017 - 2¹⁰ = 20001100993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001101992 and 20001102010.

It is not an unprimeable number, because it can be changed into a prime (20001102067) 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, 26526284 + ... + 26527037.

It is an arithmetic number, because the mean of its divisors is an integer number (2785299405).

Almost surely, 2^20001102017 is an apocalyptic number.

It is an amenable number.

20001102017 is a deficient number, since it is larger than the sum of its proper divisors (2281293223).

20001102017 is a wasteful number, since it uses less digits than its factorization.

20001102017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53053363.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 20001102017 its reverse (71020110002), we get a palindrome (91021212019).

The spelling of 20001102017 in words is "twenty billion, one million, one hundred two thousand, seventeen".