20301343213 has 4 divisors (see below), whose sum is σ = 20373590268. Its totient is φ = 20229096160.

The previous prime is 20301343207. The next prime is 20301343259. The reversal of 20301343213 is 31234310302.

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 6136058889 + 14165284324 = 78333^2 + 119018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20301343213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301344213) 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, 36123106 + ... + 36123667.

It is an arithmetic number, because the mean of its divisors is an integer number (5093397567).

Almost surely, 2^20301343213 is an apocalyptic number.

It is an amenable number.

20301343213 is a deficient number, since it is larger than the sum of its proper divisors (72247055).

20301343213 is an equidigital number, since it uses as much as digits as its factorization.

20301343213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72247054.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20301343213 its reverse (31234310302), we get a palindrome (51535653515).

The spelling of 20301343213 in words is "twenty billion, three hundred one million, three hundred forty-three thousand, two hundred thirteen".