420332230 has 8 divisors (see below), whose sum is σ = 756598032. Its totient is φ = 168132888.

The previous prime is 420332201. The next prime is 420332239. The reversal of 420332230 is 32233024.

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

It is a junction number, because it is equal to n+sod(n) for n = 420332198 and 420332207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420332239) 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 3 ways as a sum of consecutive naturals, for example, 21016602 + ... + 21016621.

It is an arithmetic number, because the mean of its divisors is an integer number (94574754).

Almost surely, 2^420332230 is an apocalyptic number.

420332230 is a deficient number, since it is larger than the sum of its proper divisors (336265802).

420332230 is a wasteful number, since it uses less digits than its factorization.

420332230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42033230.

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

The square root of 420332230 is about 20502.0055116567. The cubic root of 420332230 is about 749.0846492244.

Adding to 420332230 its reverse (32233024), we get a palindrome (452565254).

The spelling of 420332230 in words is "four hundred twenty million, three hundred thirty-two thousand, two hundred thirty".