22020204421 has 8 divisors (see below), whose sum is σ = 22230435744. Its totient is φ = 21810055440.

The previous prime is 22020204373. The next prime is 22020204433. The reversal of 22020204421 is 12440202022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020204421 - 2¹³ = 22020196229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020204491) 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 7 ways as a sum of consecutive naturals, for example, 607591 + ... + 642811.

It is an arithmetic number, because the mean of its divisors is an integer number (2778804468).

Almost surely, 2^22020204421 is an apocalyptic number.

It is an amenable number.

22020204421 is a deficient number, since it is larger than the sum of its proper divisors (210231323).

22020204421 is a wasteful number, since it uses less digits than its factorization.

22020204421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41171.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22020204421 its reverse (12440202022), we get a palindrome (34460406443).

The spelling of 22020204421 in words is "twenty-two billion, twenty million, two hundred four thousand, four hundred twenty-one".