420415230 has 64 divisors (see below), whose sum is σ = 1041465600. Its totient is φ = 108545280.

The previous prime is 420415199. The next prime is 420415241. The reversal of 420415230 is 32514024.

It is a junction number, because it is equal to n+sod(n) for n = 420415197 and 420415206.

It is a congruent 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, 169741 + ... + 172199.

It is an arithmetic number, because the mean of its divisors is an integer number (16272900).

Almost surely, 2^420415230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420415230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520732800).

420415230 is an abundant number, since it is smaller than the sum of its proper divisors (621050370).

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

420415230 is a wasteful number, since it uses less digits than its factorization.

420415230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 420415230 is about 20504.0296039583. The cubic root of 420415230 is about 749.1339514426.

Adding to 420415230 its reverse (32514024), we get a palindrome (452929254).

The spelling of 420415230 in words is "four hundred twenty million, four hundred fifteen thousand, two hundred thirty".