20000212 has 12 divisors (see below), whose sum is σ = 35040096. Its totient is φ = 9988760.

The previous prime is 20000171. The next prime is 20000213. The reversal of 20000212 is 21200002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000195 and 20000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (2920008).

Almost surely, 2^20000212 is an apocalyptic number.

It is an amenable number.

20000212 is a deficient number, since it is larger than the sum of its proper divisors (15039884).

20000212 is a wasteful number, since it uses less digits than its factorization.

20000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678 (or 5676 counting only the distinct ones).

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

The square root of 20000212 is about 4472.1596572573. The cubic root of 20000212 is about 271.4427207503.

Adding to 20000212 its reverse (21200002), we get a palindrome (41200214).

The spelling of 20000212 in words is "twenty million, two hundred twelve", and thus it is an aban number.