420310342 has 8 divisors (see below), whose sum is σ = 631198656. Its totient is φ = 209910792.

The previous prime is 420310339. The next prime is 420310357. The reversal of 420310342 is 243013024.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120033 + ... + 123484.

It is an arithmetic number, because the mean of its divisors is an integer number (78899832).

Almost surely, 2^420310342 is an apocalyptic number.

420310342 is a deficient number, since it is larger than the sum of its proper divisors (210888314).

420310342 is a wasteful number, since it uses less digits than its factorization.

420310342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244382.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420310342 is about 20501.4717032705. The cubic root of 420310342 is about 749.0716466134.

Adding to 420310342 its reverse (243013024), we get a palindrome (663323366).

The spelling of 420310342 in words is "four hundred twenty million, three hundred ten thousand, three hundred forty-two".