420303304 has 8 divisors (see below), whose sum is σ = 788068710. Its totient is φ = 210151648.

The previous prime is 420303283. The next prime is 420303329. The reversal of 420303304 is 403303024.

420303304 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 82846404 = 18370^2 + 9102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26268949 + ... + 26268964.

Almost surely, 2^420303304 is an apocalyptic number.

It is an amenable number.

420303304 is a deficient number, since it is larger than the sum of its proper divisors (367765406).

420303304 is a wasteful number, since it uses less digits than its factorization.

420303304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52537919 (or 52537915 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 420303304 is about 20501.3000563379. The cubic root of 420303304 is about 749.0674655792.

Adding to 420303304 its reverse (403303024), we get a palindrome (823606328).

The spelling of 420303304 in words is "four hundred twenty million, three hundred three thousand, three hundred four".