20001006160516 has 96 divisors (see below), whose sum is σ = 41447184105600. Its totient is φ = 8376692889600.

The previous prime is 20001006160511. The next prime is 20001006160519. The reversal of 20001006160516 is 61506160010002.

It is not an unprimeable number, because it can be changed into a prime (20001006160511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5827410 + ... + 8600041.

It is an arithmetic number, because the mean of its divisors is an integer number (431741501100).

Almost surely, 2^{20001006160516} is an apocalyptic number.

It is an amenable number.

20001006160516 is an abundant number, since it is smaller than the sum of its proper divisors (21446177945084).

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

20001006160516 is a wasteful number, since it uses less digits than its factorization.

20001006160516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14427557 (or 14427555 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 20001006160516 its reverse (61506160010002), we get a palindrome (81507166170518).

The spelling of 20001006160516 in words is "twenty trillion, one billion, six million, one hundred sixty thousand, five hundred sixteen".