20002016 has 12 divisors (see below), whose sum is σ = 39379032. Its totient is φ = 10000992.

The previous prime is 20002007. The next prime is 20002027. The reversal of 20002016 is 61020002.

It is a junction number, because it is equal to n+sod(n) for n = 20001988 and 20002006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312500 + ... + 312563.

It is an arithmetic number, because the mean of its divisors is an integer number (3281586).

Almost surely, 2^20002016 is an apocalyptic number.

It is an amenable number.

20002016 is a deficient number, since it is larger than the sum of its proper divisors (19377016).

20002016 is an equidigital number, since it uses as much as digits as its factorization.

20002016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625073 (or 625065 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20002016 is about 4472.3613449720. The cubic root of 20002016 is about 271.4508817963.

Adding to 20002016 its reverse (61020002), we get a palindrome (81022018).

The spelling of 20002016 in words is "twenty million, two thousand, sixteen".