420334130 has 8 divisors (see below), whose sum is σ = 756601452. Its totient is φ = 168133648.

The previous prime is 420334069. The next prime is 420334133. The reversal of 420334130 is 31433024.

It can be written as a sum of positive squares in 2 ways, for example, as 382867489 + 37466641 = 19567^2 + 6121^2 .

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

It is not an unprimeable number, because it can be changed into a prime (420334133) 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, 21016697 + ... + 21016716.

Almost surely, 2^420334130 is an apocalyptic number.

420334130 is a deficient number, since it is larger than the sum of its proper divisors (336267322).

420334130 is a wasteful number, since it uses less digits than its factorization.

420334130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42033420.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 420334130 is about 20502.0518485346. The cubic root of 420334130 is about 749.0857779019.

Adding to 420334130 its reverse (31433024), we get a palindrome (451767154).

The spelling of 420334130 in words is "four hundred twenty million, three hundred thirty-four thousand, one hundred thirty".