420010342 has 8 divisors (see below), whose sum is σ = 630659376. Its totient is φ = 209790552.

The previous prime is 420010271. The next prime is 420010361. The reversal of 420010342 is 243010024.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 104853 + ... + 108784.

It is an arithmetic number, because the mean of its divisors is an integer number (78832422).

Almost surely, 2^420010342 is an apocalyptic number.

420010342 is a deficient number, since it is larger than the sum of its proper divisors (210649034).

420010342 is a wasteful number, since it uses less digits than its factorization.

420010342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214622.

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

The square root of 420010342 is about 20494.1538493298. The cubic root of 420010342 is about 748.8933854903.

Adding to 420010342 its reverse (243010024), we get a palindrome (663020366).

The spelling of 420010342 in words is "four hundred twenty million, ten thousand, three hundred forty-two".