305020405330214 has 64 divisors (see below), whose sum is σ = 525322970726400. Its totient is φ = 130116306247200.

The previous prime is 305020405330177. The next prime is 305020405330241. The reversal of 305020405330214 is 412033504020503.

It is a super-2 number, since 2×305020405330214² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19454064827 + ... + 19454080505.

It is an arithmetic number, because the mean of its divisors is an integer number (8208171417600).

Almost surely, 2^{305020405330214} is an apocalyptic number.

305020405330214 is a deficient number, since it is larger than the sum of its proper divisors (220302565396186).

305020405330214 is a wasteful number, since it uses less digits than its factorization.

305020405330214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 305020405330214 its reverse (412033504020503), we get a palindrome (717053909350717).

The spelling of 305020405330214 in words is "three hundred five trillion, twenty billion, four hundred five million, three hundred thirty thousand, two hundred fourteen".