420430300 has 72 divisors (see below), whose sum is σ = 935322080. Its totient is φ = 163987200.

The previous prime is 420430289. The next prime is 420430303. The reversal of 420430300 is 3034024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420430303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957481 + ... + 957919.

Almost surely, 2^420430300 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 420430300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467661040).

420430300 is an abundant number, since it is smaller than the sum of its proper divisors (514891780).

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

420430300 is a wasteful number, since it uses less digits than its factorization.

420430300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 420430300 is about 20504.3970894050. The cubic root of 420430300 is about 749.1429023661.

Adding to 420430300 its reverse (3034024), we get a palindrome (423464324).

The spelling of 420430300 in words is "four hundred twenty million, four hundred thirty thousand, three hundred".