20443002212 has 48 divisors (see below), whose sum is σ = 36917318592. Its totient is φ = 9901731840.

The previous prime is 20443002191. The next prime is 20443002247. The reversal of 20443002212 is 21220034402.

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 15 ways as a sum of consecutive naturals, for example, 3964628 + ... + 3969780.

It is an arithmetic number, because the mean of its divisors is an integer number (769110804).

Almost surely, 2^20443002212 is an apocalyptic number.

It is an amenable number.

20443002212 is a deficient number, since it is larger than the sum of its proper divisors (16474316380).

20443002212 is a wasteful number, since it uses less digits than its factorization.

20443002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468 (or 5466 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20443002212 its reverse (21220034402), we get a palindrome (41663036614).

The spelling of 20443002212 in words is "twenty billion, four hundred forty-three million, two thousand, two hundred twelve".