420321334 has 8 divisors (see below), whose sum is σ = 631157688. Its totient is φ = 209935440.

The previous prime is 420321301. The next prime is 420321347. The reversal of 420321334 is 433123024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110272 + ... + 114019.

It is an arithmetic number, because the mean of its divisors is an integer number (78894711).

Almost surely, 2^420321334 is an apocalyptic number.

420321334 is a deficient number, since it is larger than the sum of its proper divisors (210836354).

420321334 is a wasteful number, since it uses less digits than its factorization.

420321334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225230.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 420321334 is about 20501.7397798333. The cubic root of 420321334 is about 749.0781764898.

Adding to 420321334 its reverse (433123024), we get a palindrome (853444358).

The spelling of 420321334 in words is "four hundred twenty million, three hundred twenty-one thousand, three hundred thirty-four".