420332235 has 32 divisors (see below), whose sum is σ = 697559040. Its totient is φ = 215875968.

The previous prime is 420332201. The next prime is 420332239. The reversal of 420332235 is 532233024.

It is not a de Polignac number, because 420332235 - 2¹³ = 420324043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420332239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200362 + ... + 202448.

It is an arithmetic number, because the mean of its divisors is an integer number (21798720).

Almost surely, 2^420332235 is an apocalyptic number.

420332235 is a deficient number, since it is larger than the sum of its proper divisors (277226805).

420332235 is a wasteful number, since it uses less digits than its factorization.

420332235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 420332235 is about 20502.0056335959. The cubic root of 420332235 is about 749.0846521946.

Adding to 420332235 its reverse (532233024), we get a palindrome (952565259).

The spelling of 420332235 in words is "four hundred twenty million, three hundred thirty-two thousand, two hundred thirty-five".