305220014 has 16 divisors (see below), whose sum is σ = 501088896. Its totient is φ = 138281400.

The previous prime is 305220001. The next prime is 305220029. The reversal of 305220014 is 410022503.

It is a junction number, because it is equal to n+sod(n) for n = 305219974 and 305220001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15842 + ... + 29349.

It is an arithmetic number, because the mean of its divisors is an integer number (31318056).

Almost surely, 2^305220014 is an apocalyptic number.

305220014 is a deficient number, since it is larger than the sum of its proper divisors (195868882).

305220014 is a wasteful number, since it uses less digits than its factorization.

305220014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45511.

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

The square root of 305220014 is about 17470.5470435244. The cubic root of 305220014 is about 673.2933669598.

Adding to 305220014 its reverse (410022503), we get a palindrome (715242517).

The spelling of 305220014 in words is "three hundred five million, two hundred twenty thousand, fourteen".