20213422204224 has 112 divisors (see below), whose sum is σ = 55819464240960. Its totient is φ = 6449442754560.

The previous prime is 20213422204219. The next prime is 20213422204247. The reversal of 20213422204224 is 42240222431202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20213422204191 and 20213422204200.

It is a congruent number.

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, 23806954 + ... + 24641385.

It is an arithmetic number, because the mean of its divisors is an integer number (498388073580).

Almost surely, 2^{20213422204224} is an apocalyptic number.

20213422204224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20213422204224 is an abundant number, since it is smaller than the sum of its proper divisors (35606042036736).

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

20213422204224 is a wasteful number, since it uses less digits than its factorization.

20213422204224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48448448 (or 48448438 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20213422204224 its reverse (42240222431202), we get a palindrome (62453644635426).

The spelling of 20213422204224 in words is "twenty trillion, two hundred thirteen billion, four hundred twenty-two million, two hundred four thousand, two hundred twenty-four".