420321033 has 48 divisors (see below), whose sum is σ = 688975872. Its totient is φ = 244620000.

The previous prime is 420321019. The next prime is 420321037. The reversal of 420321033 is 330123024.

420321033 is a `hidden beast` number, since 420 + 3 + 210 + 33 = 666.

It is not a de Polignac number, because 420321033 - 2⁶ = 420320969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420320997 and 420321015.

It is not an unprimeable number, because it can be changed into a prime (420321037) 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 47 ways as a sum of consecutive naturals, for example, 462966 + ... + 463872.

It is an arithmetic number, because the mean of its divisors is an integer number (14353664).

Almost surely, 2^420321033 is an apocalyptic number.

It is an amenable number.

420321033 is a deficient number, since it is larger than the sum of its proper divisors (268654839).

420321033 is a wasteful number, since it uses less digits than its factorization.

420321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 420321033 is about 20501.7324389916. The cubic root of 420321033 is about 749.0779976801.

Adding to 420321033 its reverse (330123024), we get a palindrome (750444057).

The spelling of 420321033 in words is "four hundred twenty million, three hundred twenty-one thousand, thirty-three".