424505220 has 96 divisors (see below), whose sum is σ = 1268561280. Its totient is φ = 105753600.

The previous prime is 424505189. The next prime is 424505231. The reversal of 424505220 is 22505424.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80670 + ... + 85770.

It is an arithmetic number, because the mean of its divisors is an integer number (13214180).

Almost surely, 2^424505220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424505220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634280640).

424505220 is an abundant number, since it is smaller than the sum of its proper divisors (844056060).

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

424505220 is a wasteful number, since it uses less digits than its factorization.

424505220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205 (or 5203 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 424505220 is about 20603.5244557818. The cubic root of 424505220 is about 751.5554208801. Note that the first 3 decimals are identical.

The spelling of 424505220 in words is "four hundred twenty-four million, five hundred five thousand, two hundred twenty".