424510220 has 12 divisors (see below), whose sum is σ = 891471504. Its totient is φ = 169804080.

The previous prime is 424510211. The next prime is 424510271. The reversal of 424510220 is 22015424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 21225511 = 424510220 / (4 + 2 + 4 + 5 + 1 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 424510192 and 424510201.

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, 10612736 + ... + 10612775.

It is an arithmetic number, because the mean of its divisors is an integer number (74289292).

Almost surely, 2^424510220 is an apocalyptic number.

It is an amenable number.

424510220 is an abundant number, since it is smaller than the sum of its proper divisors (466961284).

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

424510220 is a wasteful number, since it uses less digits than its factorization.

424510220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21225520 (or 21225518 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 424510220 is about 20603.6457938880. The cubic root of 424510220 is about 751.5583715799.

Adding to 424510220 its reverse (22015424), we get a palindrome (446525644).

The spelling of 424510220 in words is "four hundred twenty-four million, five hundred ten thousand, two hundred twenty".