20212144034424 has 16 divisors (see below), whose sum is σ = 50530360086120. Its totient is φ = 6737381344800.

The previous prime is 20212144034387. The next prime is 20212144034477. The reversal of 20212144034424 is 42443044121202.

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, 421086334027 + ... + 421086334074.

Almost surely, 2^{20212144034424} is an apocalyptic number.

20212144034424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20212144034424 is an abundant number, since it is smaller than the sum of its proper divisors (30318216051696).

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

20212144034424 is a wasteful number, since it uses less digits than its factorization.

20212144034424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842172668110 (or 842172668106 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20212144034424 its reverse (42443044121202), we get a palindrome (62655188155626).

The spelling of 20212144034424 in words is "twenty trillion, two hundred twelve billion, one hundred forty-four million, thirty-four thousand, four hundred twenty-four".