20002100212 has 12 divisors (see below), whose sum is σ = 35330813280. Its totient is φ = 9907582136.

The previous prime is 20002100207. The next prime is 20002100257. The reversal of 20002100212 is 21200120002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23366512 + ... + 23367367.

It is an arithmetic number, because the mean of its divisors is an integer number (2944234440).

Almost surely, 2^20002100212 is an apocalyptic number.

It is an amenable number.

20002100212 is a deficient number, since it is larger than the sum of its proper divisors (15328713068).

20002100212 is a wasteful number, since it uses less digits than its factorization.

20002100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46733990 (or 46733988 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20002100212 its reverse (21200120002), we get a palindrome (41202220214).

The spelling of 20002100212 in words is "twenty billion, two million, one hundred thousand, two hundred twelve".