420100321430 has 32 divisors (see below), whose sum is σ = 760621155840. Its totient is φ = 167053868640.

The previous prime is 420100321411. The next prime is 420100321549. The reversal of 420100321430 is 34123001024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639845 + ... + 6702815.

It is an arithmetic number, because the mean of its divisors is an integer number (23769411120).

Almost surely, 2^420100321430 is an apocalyptic number.

420100321430 is a deficient number, since it is larger than the sum of its proper divisors (340520834410).

420100321430 is a wasteful number, since it uses less digits than its factorization.

420100321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66884.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 420100321430 its reverse (34123001024), we get a palindrome (454223322454).

The spelling of 420100321430 in words is "four hundred twenty billion, one hundred million, three hundred twenty-one thousand, four hundred thirty".