420302412 has 24 divisors (see below), whose sum is σ = 1089673200. Its totient is φ = 140100768.

The previous prime is 420302387. The next prime is 420302413. The reversal of 420302412 is 214203024.

420302412 is a `hidden beast` number, since 420 + 3 + 0 + 241 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (420302413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1945737 + ... + 1945952.

It is an arithmetic number, because the mean of its divisors is an integer number (45403050).

Almost surely, 2^420302412 is an apocalyptic number.

It is an amenable number.

420302412 is an abundant number, since it is smaller than the sum of its proper divisors (669370788).

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

420302412 is a wasteful number, since it uses less digits than its factorization.

420302412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891702 (or 3891694 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 420302412 is about 20501.2783016084. The cubic root of 420302412 is about 749.0669356693.

Adding to 420302412 its reverse (214203024), we get a palindrome (634505436).

The spelling of 420302412 in words is "four hundred twenty million, three hundred two thousand, four hundred twelve".