20252030305 has 16 divisors (see below), whose sum is σ = 26284199760. Its totient is φ = 14891148288.

The previous prime is 20252030297. The next prime is 20252030321. The reversal of 20252030305 is 50303025202.

It can be written as a sum of positive squares in 8 ways, for example, as 5531789376 + 14720240929 = 74376^2 + 121327^2 .

It is a cyclic number.

It is not a de Polignac number, because 20252030305 - 2³ = 20252030297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653460 + ... + 683749.

It is an arithmetic number, because the mean of its divisors is an integer number (1642762485).

Almost surely, 2^20252030305 is an apocalyptic number.

It is an amenable number.

20252030305 is a deficient number, since it is larger than the sum of its proper divisors (6032169455).

20252030305 is a wasteful number, since it uses less digits than its factorization.

20252030305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337460.

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 20252030305 its reverse (50303025202), we get a palindrome (70555055507).

The spelling of 20252030305 in words is "twenty billion, two hundred fifty-two million, thirty thousand, three hundred five".