420345130 has 16 divisors (see below), whose sum is σ = 756854784. Its totient is φ = 168086160.

The previous prime is 420345109. The next prime is 420345137. The reversal of 420345130 is 31543024.

It is not an unprimeable number, because it can be changed into a prime (420345137) 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, 59359 + ... + 66061.

It is an arithmetic number, because the mean of its divisors is an integer number (47303424).

Almost surely, 2^420345130 is an apocalyptic number.

420345130 is a deficient number, since it is larger than the sum of its proper divisors (336509654).

420345130 is a wasteful number, since it uses less digits than its factorization.

420345130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12981.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 420345130 is about 20502.3201126116. The cubic root of 420345130 is about 749.0923122842.

Adding to 420345130 its reverse (31543024), we get a palindrome (451888154).

The spelling of 420345130 in words is "four hundred twenty million, three hundred forty-five thousand, one hundred thirty".