420243004 has 6 divisors (see below), whose sum is σ = 735425264. Its totient is φ = 210121500.

The previous prime is 420242993. The next prime is 420243049. The reversal of 420243004 is 400342024.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52530372 + ... + 52530379.

Almost surely, 2^420243004 is an apocalyptic number.

It is an amenable number.

420243004 is a deficient number, since it is larger than the sum of its proper divisors (315182260).

420243004 is a wasteful number, since it uses less digits than its factorization.

420243004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105060755 (or 105060753 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 420243004 is about 20499.8293651435. The cubic root of 420243004 is about 749.0316415065.

Adding to 420243004 its reverse (400342024), we get a palindrome (820585028).

The spelling of 420243004 in words is "four hundred twenty million, two hundred forty-three thousand, four".