420424233 has 8 divisors (see below), whose sum is σ = 560670528. Its totient is φ = 280230384.

The previous prime is 420424231. The next prime is 420424237. The reversal of 420424233 is 332424024.

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

It is not a de Polignac number, because 420424233 - 2¹ = 420424231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420424231) 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, 13060 + ... + 31802.

It is an arithmetic number, because the mean of its divisors is an integer number (70083816).

Almost surely, 2^420424233 is an apocalyptic number.

It is an amenable number.

420424233 is a deficient number, since it is larger than the sum of its proper divisors (140246295).

420424233 is a wasteful number, since it uses less digits than its factorization.

420424233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26223.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 420424233 is about 20504.2491449943. The cubic root of 420424233 is about 749.1392988581.

Adding to 420424233 its reverse (332424024), we get a palindrome (752848257).

The spelling of 420424233 in words is "four hundred twenty million, four hundred twenty-four thousand, two hundred thirty-three".