20020100212 has 24 divisors (see below), whose sum is σ = 40044098304. Its totient is φ = 8579207712.

The previous prime is 20020100159. The next prime is 20020100227. The reversal of 20020100212 is 21200102002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322218 + ... + 379294.

It is an arithmetic number, because the mean of its divisors is an integer number (1668504096).

Almost surely, 2^20020100212 is an apocalyptic number.

It is an amenable number.

20020100212 is an abundant number, since it is smaller than the sum of its proper divisors (20023998092).

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

20020100212 is a wasteful number, since it uses less digits than its factorization.

20020100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69615 (or 69613 counting only the distinct ones).

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

Adding to 20020100212 its reverse (21200102002), we get a palindrome (41220202214).

The spelling of 20020100212 in words is "twenty billion, twenty million, one hundred thousand, two hundred twelve".