305305202202152 has 16 divisors (see below), whose sum is σ = 572453096361300. Its totient is φ = 152651043172480.

The previous prime is 305305202202127. The next prime is 305305202202181. The reversal of 305305202202152 is 251202202503503.

It can be written as a sum of positive squares in 2 ways, for example, as 295008586562596 + 10296615639556 = 17175814^2 + 3208834^2 .

It is a super-2 number, since 2×305305202202152² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193907999 + ... + 195476142.

Almost surely, 2^{305305202202152} is an apocalyptic number.

It is an amenable number.

305305202202152 is a deficient number, since it is larger than the sum of its proper divisors (267147894159148).

305305202202152 is a wasteful number, since it uses less digits than its factorization.

305305202202152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389482156 (or 389482152 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 305305202202152 its reverse (251202202503503), we get a palindrome (556507404705655).

The spelling of 305305202202152 in words is "three hundred five trillion, three hundred five billion, two hundred two million, two hundred two thousand, one hundred fifty-two".