420333303 has 16 divisors (see below), whose sum is σ = 629798400. Its totient is φ = 247419744.

The previous prime is 420333293. The next prime is 420333307. The reversal of 420333303 is 303333024.

It is not a de Polignac number, because 420333303 - 2⁶ = 420333239 is a prime.

It is a super-2 number, since 2×420333303² = 353360171221779618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420333303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420333307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233403 + ... + 235196.

It is an arithmetic number, because the mean of its divisors is an integer number (39362400).

Almost surely, 2^420333303 is an apocalyptic number.

420333303 is a deficient number, since it is larger than the sum of its proper divisors (209465097).

420333303 is a wasteful number, since it uses less digits than its factorization.

420333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468638.

The product of its (nonzero) digits is 1944, while the sum is 21.

The square root of 420333303 is about 20502.0316798116. The cubic root of 420333303 is about 749.0852866306.

Adding to 420333303 its reverse (303333024), we get a palindrome (723666327).

The spelling of 420333303 in words is "four hundred twenty million, three hundred thirty-three thousand, three hundred three".