20302200113 has 4 divisors (see below), whose sum is σ = 21863907828. Its totient is φ = 18740492400.

The previous prime is 20302200103. The next prime is 20302200161. The reversal of 20302200113 is 31100220302.

It is a happy number.

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 5518558369 + 14783641744 = 74287^2 + 121588^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302200113 - 2⁸ = 20302199857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302200103) 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, 780853838 + ... + 780853863.

It is an arithmetic number, because the mean of its divisors is an integer number (5465976957).

Almost surely, 2^20302200113 is an apocalyptic number.

It is an amenable number.

20302200113 is a deficient number, since it is larger than the sum of its proper divisors (1561707715).

20302200113 is a wasteful number, since it uses less digits than its factorization.

20302200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561707714.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20302200113 its reverse (31100220302), we get a palindrome (51402420415).

The spelling of 20302200113 in words is "twenty billion, three hundred two million, two hundred thousand, one hundred thirteen".