220020402424 has 8 divisors (see below), whose sum is σ = 412538254560. Its totient is φ = 110010201208.

The previous prime is 220020402403. The next prime is 220020402449. The reversal of 220020402424 is 424204020022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 220020402395 and 220020402404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13751275144 + ... + 13751275159.

It is an arithmetic number, because the mean of its divisors is an integer number (51567281820).

Almost surely, 2^220020402424 is an apocalyptic number.

It is an amenable number.

220020402424 is a deficient number, since it is larger than the sum of its proper divisors (192517852136).

220020402424 is a wasteful number, since it uses less digits than its factorization.

220020402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502550309 (or 27502550305 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 220020402424 its reverse (424204020022), we get a palindrome (644224422446).

The spelling of 220020402424 in words is "two hundred twenty billion, twenty million, four hundred two thousand, four hundred twenty-four".