420110342 has 4 divisors (see below), whose sum is σ = 630165516. Its totient is φ = 210055170.

The previous prime is 420110221. The next prime is 420110359. The reversal of 420110342 is 243011024.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 420110342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105027584 + ... + 105027587.

It is an arithmetic number, because the mean of its divisors is an integer number (157541379).

Almost surely, 2^420110342 is an apocalyptic number.

420110342 is a deficient number, since it is larger than the sum of its proper divisors (210055174).

420110342 is a wasteful number, since it uses less digits than its factorization.

420110342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210055173.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 420110342 is about 20496.5934242742. The cubic root of 420110342 is about 748.9528152935.

Adding to 420110342 its reverse (243011024), we get a palindrome (663121366).

The spelling of 420110342 in words is "four hundred twenty million, one hundred ten thousand, three hundred forty-two".