420102343204 has 12 divisors (see below), whose sum is σ = 735188916364. Its totient is φ = 210048367104.

The previous prime is 420102343153. The next prime is 420102343211. The reversal of 420102343204 is 402343201024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 241513273600 + 178589069604 = 491440^2 + 422598^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 343857 + ... + 979000.

Almost surely, 2^420102343204 is an apocalyptic number.

It is an amenable number.

420102343204 is a deficient number, since it is larger than the sum of its proper divisors (315086573160).

420102343204 is a wasteful number, since it uses less digits than its factorization.

420102343204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402254 (or 1402252 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 420102343204 its reverse (402343201024), we get a palindrome (822445544228).

The spelling of 420102343204 in words is "four hundred twenty billion, one hundred two million, three hundred forty-three thousand, two hundred four".