420004030 has 16 divisors (see below), whose sum is σ = 757136160. Its totient is φ = 167750752.

The previous prime is 420004009. The next prime is 420004033. The reversal of 420004030 is 30400024.

It is a self number, because there is not a number n which added to its sum of digits gives 420004030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420004033) 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, 24250 + ... + 37789.

It is an arithmetic number, because the mean of its divisors is an integer number (47321010).

Almost surely, 2^420004030 is an apocalyptic number.

420004030 is a deficient number, since it is larger than the sum of its proper divisors (337132130).

420004030 is a wasteful number, since it uses less digits than its factorization.

420004030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62723.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 420004030 is about 20493.9998536157. Note that the first 3 decimals coincide. The cubic root of 420004030 is about 748.8896339646.

Adding to 420004030 its reverse (30400024), we get a palindrome (450404054).

The spelling of 420004030 in words is "four hundred twenty million, four thousand, thirty".