420610224 has 40 divisors (see below), whose sum is σ = 1087809840. Its totient is φ = 140044288.

The previous prime is 420610213. The next prime is 420610231. The reversal of 420610224 is 422016024.

It is a self number, because there is not a number n which added to its sum of digits gives 420610224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42412 + ... + 51380.

It is an arithmetic number, because the mean of its divisors is an integer number (27195246).

Almost surely, 2^420610224 is an apocalyptic number.

It is an amenable number.

420610224 is an abundant number, since it is smaller than the sum of its proper divisors (667199616).

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

420610224 is a wasteful number, since it uses less digits than its factorization.

420610224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957 (or 9951 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 420610224 is about 20508.7840692714. The cubic root of 420610224 is about 749.2497528670.

Adding to 420610224 its reverse (422016024), we get a palindrome (842626248).

The spelling of 420610224 in words is "four hundred twenty million, six hundred ten thousand, two hundred twenty-four".