305320016 has 20 divisors (see below), whose sum is σ = 597304032. Its totient is φ = 151177056.

The previous prime is 305320007. The next prime is 305320019. The reversal of 305320016 is 610023503.

It is a self number, because there is not a number n which added to its sum of digits gives 305320016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305320019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90986 + ... + 94281.

Almost surely, 2^305320016 is an apocalyptic number.

It is an amenable number.

305320016 is a deficient number, since it is larger than the sum of its proper divisors (291984016).

305320016 is a wasteful number, since it uses less digits than its factorization.

305320016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185378 (or 185372 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 305320016 is about 17473.4088259847. The cubic root of 305320016 is about 673.3668913336.

Adding to 305320016 its reverse (610023503), we get a palindrome (915343519).

The spelling of 305320016 in words is "three hundred five million, three hundred twenty thousand, sixteen".