305201420 has 12 divisors (see below), whose sum is σ = 640923024. Its totient is φ = 122080560.

The previous prime is 305201387. The next prime is 305201431. The reversal of 305201420 is 24102503.

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, 7630016 + ... + 7630055.

It is an arithmetic number, because the mean of its divisors is an integer number (53410252).

Almost surely, 2^305201420 is an apocalyptic number.

It is an amenable number.

305201420 is an abundant number, since it is smaller than the sum of its proper divisors (335721604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305201420 is a wasteful number, since it uses less digits than its factorization.

305201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15260080 (or 15260078 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 305201420 is about 17470.0148826496. The cubic root of 305201420 is about 673.2796943406.

Adding to 305201420 its reverse (24102503), we get a palindrome (329303923).

The spelling of 305201420 in words is "three hundred five million, two hundred one thousand, four hundred twenty".