420433034 has 12 divisors (see below), whose sum is σ = 733612914. Its totient is φ = 180185544.

The previous prime is 420433009. The next prime is 420433037. The reversal of 420433034 is 430334024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 420373009 + 60025 = 20503^2 + 245^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420433037) 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 5 ways as a sum of consecutive naturals, for example, 2144969 + ... + 2145164.

Almost surely, 2^420433034 is an apocalyptic number.

420433034 is a deficient number, since it is larger than the sum of its proper divisors (313179880).

420433034 is a wasteful number, since it uses less digits than its factorization.

420433034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290149 (or 4290142 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 420433034 is about 20504.4637579235. The cubic root of 420433034 is about 749.1445262201.

Adding to 420433034 its reverse (430334024), we get a palindrome (850767058).

The spelling of 420433034 in words is "four hundred twenty million, four hundred thirty-three thousand, thirty-four".