420333234 has 16 divisors (see below), whose sum is σ = 877217472. Its totient is φ = 134019248.

The previous prime is 420333217. The next prime is 420333239. The reversal of 420333234 is 432333024.

It is not an unprimeable number, because it can be changed into a prime (420333239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522809 + ... + 1523084.

It is an arithmetic number, because the mean of its divisors is an integer number (54826092).

Almost surely, 2^420333234 is an apocalyptic number.

420333234 is an abundant number, since it is smaller than the sum of its proper divisors (456884238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420333234 is a wasteful number, since it uses less digits than its factorization.

420333234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045921.

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 420333234 is about 20502.0299970515. The cubic root of 420333234 is about 749.0852456418.

Adding to 420333234 its reverse (432333024), we get a palindrome (852666258).

The spelling of 420333234 in words is "four hundred twenty million, three hundred thirty-three thousand, two hundred thirty-four".