424330220 has 24 divisors (see below), whose sum is σ = 929837664. Its totient is φ = 162352256.

The previous prime is 424330219. The next prime is 424330223. The reversal of 424330220 is 22033424.

It is a super-2 number, since 2×424330220² = 360112271210496800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 424330192 and 424330201.

It is not an unprimeable number, because it can be changed into a prime (424330223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460769 + ... + 461688.

It is an arithmetic number, because the mean of its divisors is an integer number (38743236).

Almost surely, 2^424330220 is an apocalyptic number.

It is an amenable number.

424330220 is an abundant number, since it is smaller than the sum of its proper divisors (505507444).

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

424330220 is a wasteful number, since it uses less digits than its factorization.

424330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922489 (or 922487 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 424330220 is about 20599.2771717845. The cubic root of 424330220 is about 751.4521317883.

Adding to 424330220 its reverse (22033424), we get a palindrome (446363644).

The spelling of 424330220 in words is "four hundred twenty-four million, three hundred thirty thousand, two hundred twenty".