420012430 has 16 divisors (see below), whose sum is σ = 788893344. Its totient is φ = 160700320.

The previous prime is 420012413. The next prime is 420012431. The reversal of 420012430 is 34210024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420012431) 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, 912841 + ... + 913300.

It is an arithmetic number, because the mean of its divisors is an integer number (49305834).

Almost surely, 2^420012430 is an apocalyptic number.

420012430 is a deficient number, since it is larger than the sum of its proper divisors (368880914).

420012430 is a wasteful number, since it uses less digits than its factorization.

420012430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826171.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420012430 is about 20494.2047906231. The cubic root of 420012430 is about 748.8946264810.

Adding to 420012430 its reverse (34210024), we get a palindrome (454222454).

The spelling of 420012430 in words is "four hundred twenty million, twelve thousand, four hundred thirty".