305120201320 has 32 divisors (see below), whose sum is σ = 748931404320. Its totient is φ = 110952800320.

The previous prime is 305120201317. The next prime is 305120201327. The reversal of 305120201320 is 23102021503.

It is not an unprimeable number, because it can be changed into a prime (305120201327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346727062 + ... + 346727941.

It is an arithmetic number, because the mean of its divisors is an integer number (23404106385).

Almost surely, 2^305120201320 is an apocalyptic number.

It is an amenable number.

305120201320 is an abundant number, since it is smaller than the sum of its proper divisors (443811203000).

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

305120201320 is a wasteful number, since it uses less digits than its factorization.

305120201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693455025 (or 693455021 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 305120201320 its reverse (23102021503), we get a palindrome (328222222823).

The spelling of 305120201320 in words is "three hundred five billion, one hundred twenty million, two hundred one thousand, three hundred twenty".