20032200212 has 12 divisors (see below), whose sum is σ = 35175998676. Its totient is φ = 9981914880.

The previous prime is 20032200211. The next prime is 20032200241. The reversal of 20032200212 is 21200223002.

It can be written as a sum of positive squares in 2 ways, for example, as 16580167696 + 3452032516 = 128764^2 + 58754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8544989 + ... + 8547332.

It is an arithmetic number, because the mean of its divisors is an integer number (2931333223).

Almost surely, 2^20032200212 is an apocalyptic number.

It is an amenable number.

20032200212 is a deficient number, since it is larger than the sum of its proper divisors (15143798464).

20032200212 is a wasteful number, since it uses less digits than its factorization.

20032200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17092618 (or 17092616 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20032200212 its reverse (21200223002), we get a palindrome (41232423214).

The spelling of 20032200212 in words is "twenty billion, thirty-two million, two hundred thousand, two hundred twelve".