420303130 has 32 divisors (see below), whose sum is σ = 819970704. Its totient is φ = 154192896.

The previous prime is 420303109. The next prime is 420303137. The reversal of 420303130 is 31303024.

It can be written as a sum of positive squares in 8 ways, for example, as 183358681 + 236944449 = 13541^2 + 15393^2 .

It is not an unprimeable number, because it can be changed into a prime (420303137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10114 + ... + 30706.

Almost surely, 2^420303130 is an apocalyptic number.

420303130 is a deficient number, since it is larger than the sum of its proper divisors (399667574).

420303130 is a wasteful number, since it uses less digits than its factorization.

420303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20770.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 420303130 is about 20501.2958127041. The cubic root of 420303130 is about 749.0673622112.

Adding to 420303130 its reverse (31303024), we get a palindrome (451606154).

The spelling of 420303130 in words is "four hundred twenty million, three hundred three thousand, one hundred thirty".