20302313201 has 4 divisors (see below), whose sum is σ = 20346738852. Its totient is φ = 20257887552.

The previous prime is 20302313197. The next prime is 20302313203. The reversal of 20302313201 is 10231320302.

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 13376079025 + 6926234176 = 115655^2 + 83224^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302313201 - 2² = 20302313197 is a prime.

It is a super-2 number, since 2×20302313201² (a number of 21 digits) contains 22 as substring.

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 20302313201.

It is not an unprimeable number, because it can be changed into a prime (20302313203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22212140 + ... + 22213053.

It is an arithmetic number, because the mean of its divisors is an integer number (5086684713).

Almost surely, 2^20302313201 is an apocalyptic number.

It is an amenable number.

20302313201 is a deficient number, since it is larger than the sum of its proper divisors (44425651).

20302313201 is an equidigital number, since it uses as much as digits as its factorization.

20302313201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44425650.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20302313201 its reverse (10231320302), we get a palindrome (30533633503).

The spelling of 20302313201 in words is "twenty billion, three hundred two million, three hundred thirteen thousand, two hundred one".