20301303213 has 10 divisors (see below), whose sum is σ = 30326638254. Its totient is φ = 13534202088.

The previous prime is 20301303181. The next prime is 20301303271. The reversal of 20301303213 is 31230310302.

It can be written as a sum of positive squares in only one way, i.e., 19217445129 + 1083858084 = 138627^2 + 32922^2 .

It is not a de Polignac number, because 20301303213 - 2⁵ = 20301303181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301303013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 125316606 + ... + 125316767.

Almost surely, 2^20301303213 is an apocalyptic number.

It is an amenable number.

20301303213 is a deficient number, since it is larger than the sum of its proper divisors (10025335041).

20301303213 is an equidigital number, since it uses as much as digits as its factorization.

20301303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250633385 (or 250633376 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20301303213 its reverse (31230310302), we get a palindrome (51531613515).

The spelling of 20301303213 in words is "twenty billion, three hundred one million, three hundred three thousand, two hundred thirteen".