20301103213 has 4 divisors (see below), whose sum is σ = 20322541440. Its totient is φ = 20279664988.

The previous prime is 20301103181. The next prime is 20301103237. The reversal of 20301103213 is 31230110302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20301103213 - 2⁵ = 20301103181 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 (20301103313) 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, 10717693 + ... + 10719586.

It is an arithmetic number, because the mean of its divisors is an integer number (5080635360).

Almost surely, 2^20301103213 is an apocalyptic number.

It is an amenable number.

20301103213 is a deficient number, since it is larger than the sum of its proper divisors (21438227).

20301103213 is an equidigital number, since it uses as much as digits as its factorization.

20301103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438226.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301103213 its reverse (31230110302), we get a palindrome (51531213515).

The spelling of 20301103213 in words is "twenty billion, three hundred one million, one hundred three thousand, two hundred thirteen".