424530220 has 12 divisors (see below), whose sum is σ = 891513504. Its totient is φ = 169812080.

The previous prime is 424530191. The next prime is 424530233. The reversal of 424530220 is 22035424.

It is a junction number, because it is equal to n+sod(n) for n = 424530191 and 424530200.

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, 10613236 + ... + 10613275.

It is an arithmetic number, because the mean of its divisors is an integer number (74292792).

Almost surely, 2^424530220 is an apocalyptic number.

It is an amenable number.

424530220 is an abundant number, since it is smaller than the sum of its proper divisors (466983284).

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

424530220 is a wasteful number, since it uses less digits than its factorization.

424530220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21226520 (or 21226518 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 424530220 is about 20604.1311391672. The cubic root of 424530220 is about 751.5701741472.

Adding to 424530220 its reverse (22035424), we get a palindrome (446565644).

The spelling of 424530220 in words is "four hundred twenty-four million, five hundred thirty thousand, two hundred twenty".