420603242 has 8 divisors (see below), whose sum is σ = 632934432. Its totient is φ = 209625100.

The previous prime is 420603233. The next prime is 420603259. The reversal of 420603242 is 242306024.

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

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, 337484 + ... + 338727.

It is an arithmetic number, because the mean of its divisors is an integer number (79116804).

Almost surely, 2^420603242 is an apocalyptic number.

420603242 is a deficient number, since it is larger than the sum of its proper divisors (212331190).

420603242 is a wasteful number, since it uses less digits than its factorization.

420603242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676524.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 420603242 is about 20508.6138488197. The cubic root of 420603242 is about 749.2456070725.

Adding to 420603242 its reverse (242306024), we get a palindrome (662909266).

The spelling of 420603242 in words is "four hundred twenty million, six hundred three thousand, two hundred forty-two".