420442341 has 8 divisors (see below), whose sum is σ = 611552544. Its totient is φ = 254813520.

The previous prime is 420442339. The next prime is 420442349. The reversal of 420442341 is 143244024.

It is a happy number.

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

It is not a de Polignac number, because 420442341 - 2¹ = 420442339 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420442349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6370306 + ... + 6370371.

It is an arithmetic number, because the mean of its divisors is an integer number (76444068).

Almost surely, 2^420442341 is an apocalyptic number.

It is an amenable number.

420442341 is a deficient number, since it is larger than the sum of its proper divisors (191110203).

420442341 is a wasteful number, since it uses less digits than its factorization.

420442341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12740691.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 420442341 is about 20504.6907072504. The cubic root of 420442341 is about 749.1500540419.

Adding to 420442341 its reverse (143244024), we get a palindrome (563686365).

The spelling of 420442341 in words is "four hundred twenty million, four hundred forty-two thousand, three hundred forty-one".