20201002116 has 12 divisors (see below), whose sum is σ = 47135671632. Its totient is φ = 6733667368.

The previous prime is 20201002057. The next prime is 20201002117. The reversal of 20201002116 is 61120010202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20201002095 and 20201002104.

It is not an unprimeable number, because it can be changed into a prime (20201002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841708410 + ... + 841708433.

It is an arithmetic number, because the mean of its divisors is an integer number (3927972636).

Almost surely, 2^20201002116 is an apocalyptic number.

It is an amenable number.

20201002116 is an abundant number, since it is smaller than the sum of its proper divisors (26934669516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201002116 is a wasteful number, since it uses less digits than its factorization.

20201002116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683416850 (or 1683416848 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20201002116 its reverse (61120010202), we get a palindrome (81321012318).

The spelling of 20201002116 in words is "twenty billion, two hundred one million, two thousand, one hundred sixteen".