20120305301 has 4 divisors (see below), whose sum is σ = 20120707500. Its totient is φ = 20119903104.

The previous prime is 20120305199. The next prime is 20120305319. The reversal of 20120305301 is 10350302102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11793742801 + 8326562500 = 108599^2 + 91250^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120305301 - 2¹⁴ = 20120288917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20120305301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120325301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113276 + ... + 230373.

It is an arithmetic number, because the mean of its divisors is an integer number (5030176875).

Almost surely, 2^20120305301 is an apocalyptic number.

It is an amenable number.

20120305301 is a deficient number, since it is larger than the sum of its proper divisors (402199).

20120305301 is an equidigital number, since it uses as much as digits as its factorization.

20120305301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402198.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 20120305301 its reverse (10350302102), we get a palindrome (30470607403).

The spelling of 20120305301 in words is "twenty billion, one hundred twenty million, three hundred five thousand, three hundred one".