20223421420404 has 12 divisors (see below), whose sum is σ = 47187983314304. Its totient is φ = 6741140473464.

The previous prime is 20223421420399. The next prime is 20223421420417. The reversal of 20223421420404 is 40402412432202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×20223421420404³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842642559172 + ... + 842642559195.

Almost surely, 2^{20223421420404} is an apocalyptic number.

It is an amenable number.

20223421420404 is an abundant number, since it is smaller than the sum of its proper divisors (26964561893900).

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

20223421420404 is a wasteful number, since it uses less digits than its factorization.

20223421420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685285118374 (or 1685285118372 counting only the distinct ones).

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

Adding to 20223421420404 its reverse (40402412432202), we get a palindrome (60625833852606).

The spelling of 20223421420404 in words is "twenty trillion, two hundred twenty-three billion, four hundred twenty-one million, four hundred twenty thousand, four hundred four".