20213321122444 has 12 divisors (see below), whose sum is σ = 35373352145824. Its totient is φ = 10106649080784.

The previous prime is 20213321122439. The next prime is 20213321122453. The reversal of 20213321122444 is 44422112331202.

20213321122444 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 2015437 + ... + 6669979.

Almost surely, 2^{20213321122444} is an apocalyptic number.

It is an amenable number.

20213321122444 is a deficient number, since it is larger than the sum of its proper divisors (15160031023380).

20213321122444 is a wasteful number, since it uses less digits than its factorization.

20213321122444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740224 (or 5740222 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 20213321122444 its reverse (44422112331202), we get a palindrome (64635433453646).

The spelling of 20213321122444 in words is "twenty trillion, two hundred thirteen billion, three hundred twenty-one million, one hundred twenty-two thousand, four hundred forty-four".