424122203420 has 12 divisors (see below), whose sum is σ = 890656627224. Its totient is φ = 169648881360.

The previous prime is 424122203399. The next prime is 424122203489. The reversal of 424122203420 is 24302221424.

It is a self number, because there is not a number n which added to its sum of digits gives 424122203420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10603055066 + ... + 10603055105.

It is an arithmetic number, because the mean of its divisors is an integer number (74221385602).

Almost surely, 2^424122203420 is an apocalyptic number.

It is an amenable number.

424122203420 is an abundant number, since it is smaller than the sum of its proper divisors (466534423804).

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

424122203420 is a wasteful number, since it uses less digits than its factorization.

424122203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21206110180 (or 21206110178 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 424122203420 its reverse (24302221424), we get a palindrome (448424424844).

The spelling of 424122203420 in words is "four hundred twenty-four billion, one hundred twenty-two million, two hundred three thousand, four hundred twenty".