20044220212 has 12 divisors (see below), whose sum is σ = 35080811136. Its totient is φ = 10021131320.

The previous prime is 20044220171. The next prime is 20044220269. The reversal of 20044220212 is 21202244002.

It is a self number, because there is not a number n which added to its sum of digits gives 20044220212.

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 3 ways as a sum of consecutive naturals, for example, 197614 + ... + 281317.

It is an arithmetic number, because the mean of its divisors is an integer number (2923400928).

Almost surely, 2^20044220212 is an apocalyptic number.

It is an amenable number.

20044220212 is a deficient number, since it is larger than the sum of its proper divisors (15036590924).

20044220212 is a wasteful number, since it uses less digits than its factorization.

20044220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489398 (or 489396 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20044220212 its reverse (21202244002), we get a palindrome (41246464214).

The spelling of 20044220212 in words is "twenty billion, forty-four million, two hundred twenty thousand, two hundred twelve".