424224200420 has 12 divisors (see below), whose sum is σ = 890870820924. Its totient is φ = 169689680160.

The previous prime is 424224200381. The next prime is 424224200431. The reversal of 424224200420 is 24002422424.

It can be written as a sum of positive squares in 2 ways, for example, as 112724033536 + 311500166884 = 335744^2 + 558122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 424224200420.

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, 10605604991 + ... + 10605605030.

It is an arithmetic number, because the mean of its divisors is an integer number (74239235077).

Almost surely, 2^424224200420 is an apocalyptic number.

It is an amenable number.

424224200420 is an abundant number, since it is smaller than the sum of its proper divisors (466646620504).

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

424224200420 is a wasteful number, since it uses less digits than its factorization.

424224200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211210030 (or 21211210028 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 424224200420 its reverse (24002422424), we get a palindrome (448226622844).

The spelling of 424224200420 in words is "four hundred twenty-four billion, two hundred twenty-four million, two hundred thousand, four hundred twenty".