200020002012 has 18 divisors (see below), whose sum is σ = 505606116288. Its totient is φ = 66673333992.

The previous prime is 200020002011. The next prime is 200020002023. The reversal of 200020002012 is 210200020002.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200020001985 and 200020002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020002011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2778055548 + ... + 2778055619.

Almost surely, 2^200020002012 is an apocalyptic number.

It is an amenable number.

200020002012 is an abundant number, since it is smaller than the sum of its proper divisors (305586114276).

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

200020002012 is a wasteful number, since it uses less digits than its factorization.

200020002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556111177 (or 5556111172 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 200020002012 its reverse (210200020002), we get a palindrome (410220022014).

The spelling of 200020002012 in words is "two hundred billion, twenty million, two thousand, twelve".