424100220 has 96 divisors (see below), whose sum is σ = 1246371840. Its totient is φ = 107543040.

The previous prime is 424100153. The next prime is 424100227. The reversal of 424100220 is 22001424.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 424100220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424100227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262776 + ... + 264384.

It is an arithmetic number, because the mean of its divisors is an integer number (12983040).

Almost surely, 2^424100220 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 424100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623185920).

424100220 is an abundant number, since it is smaller than the sum of its proper divisors (822271620).

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

424100220 is a wasteful number, since it uses less digits than its factorization.

424100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 424100220 is about 20593.6936949154. The cubic root of 424100220 is about 751.3163372124.

Adding to 424100220 its reverse (22001424), we get a palindrome (446101644).

The spelling of 424100220 in words is "four hundred twenty-four million, one hundred thousand, two hundred twenty".