420232033 has 8 divisors (see below), whose sum is σ = 457224488. Its totient is φ = 383906304.

The previous prime is 420232003. The next prime is 420232037. The reversal of 420232033 is 330232024.

It can be written as a sum of positive squares in 4 ways, for example, as 108638929 + 311593104 = 10423^2 + 17652^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 420232033 - 2⁹ = 420231521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420232033.

It is not an unprimeable number, because it can be changed into a prime (420232037) 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, 165366 + ... + 167887.

It is an arithmetic number, because the mean of its divisors is an integer number (57153061).

Almost surely, 2^420232033 is an apocalyptic number.

It is an amenable number.

420232033 is a deficient number, since it is larger than the sum of its proper divisors (36992455).

420232033 is a wasteful number, since it uses less digits than its factorization.

420232033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333363.

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

The square root of 420232033 is about 20499.5617758039. The cubic root of 420232033 is about 749.0251232955.

Adding to 420232033 its reverse (330232024), we get a palindrome (750464057).

Subtracting from 420232033 its reverse (330232024), we obtain a palindrome (90000009).

The spelling of 420232033 in words is "four hundred twenty million, two hundred thirty-two thousand, thirty-three".