420302254 has 8 divisors (see below), whose sum is σ = 667538928. Its totient is φ = 197789280.

The previous prime is 420302231. The next prime is 420302263. The reversal of 420302254 is 452203024.

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, 6180882 + ... + 6180949.

It is an arithmetic number, because the mean of its divisors is an integer number (83442366).

Almost surely, 2^420302254 is an apocalyptic number.

420302254 is a deficient number, since it is larger than the sum of its proper divisors (247236674).

420302254 is a wasteful number, since it uses less digits than its factorization.

420302254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12361850.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 420302254 is about 20501.2744481898. The cubic root of 420302254 is about 749.0668418063.

Adding to 420302254 its reverse (452203024), we get a palindrome (872505278).

The spelling of 420302254 in words is "four hundred twenty million, three hundred two thousand, two hundred fifty-four".