20002012 has 6 divisors (see below), whose sum is σ = 35003528. Its totient is φ = 10001004.

The previous prime is 20002007. The next prime is 20002027. The reversal of 20002012 is 21020002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001986 and 20002004.

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, 2500248 + ... + 2500255.

Almost surely, 2^20002012 is an apocalyptic number.

It is an amenable number.

20002012 is a deficient number, since it is larger than the sum of its proper divisors (15001516).

20002012 is a wasteful number, since it uses less digits than its factorization.

20002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000507 (or 5000505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 20002012 is about 4472.3608977809. The cubic root of 20002012 is about 271.4508637013.

Adding to 20002012 its reverse (21020002), we get a palindrome (41022014).

The spelling of 20002012 in words is "twenty million, two thousand, twelve".