420334612 has 12 divisors (see below), whose sum is σ = 736514100. Its totient is φ = 209902016.

The previous prime is 420334601. The next prime is 420334619. The reversal of 420334612 is 216433024.

It can be written as a sum of positive squares in 2 ways, for example, as 73034116 + 347300496 = 8546^2 + 18636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420334619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62737 + ... + 69112.

It is an arithmetic number, because the mean of its divisors is an integer number (61376175).

Almost surely, 2^420334612 is an apocalyptic number.

It is an amenable number.

420334612 is a deficient number, since it is larger than the sum of its proper divisors (316179488).

420334612 is a wasteful number, since it uses less digits than its factorization.

420334612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132650 (or 132648 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 420334612 is about 20502.0636034522. The cubic root of 420334612 is about 749.0860642291.

Adding to 420334612 its reverse (216433024), we get a palindrome (636767636).

The spelling of 420334612 in words is "four hundred twenty million, three hundred thirty-four thousand, six hundred twelve".