420104342 has 32 divisors (see below), whose sum is σ = 745032000. Its totient is φ = 177557184.

The previous prime is 420104329. The next prime is 420104351. The reversal of 420104342 is 243401024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45884 + ... + 54272.

It is an arithmetic number, because the mean of its divisors is an integer number (23282250).

Almost surely, 2^420104342 is an apocalyptic number.

420104342 is a deficient number, since it is larger than the sum of its proper divisors (324927658).

420104342 is an equidigital number, since it uses as much as digits as its factorization.

420104342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485 (or 8471 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 420104342 is about 20496.4470579659. The cubic root of 420104342 is about 748.9492497713.

Adding to 420104342 its reverse (243401024), we get a palindrome (663505366).

The spelling of 420104342 in words is "four hundred twenty million, one hundred four thousand, three hundred forty-two".