20012303213 has 4 divisors (see below), whose sum is σ = 22871203680. Its totient is φ = 17153402748.

The previous prime is 20012303111. The next prime is 20012303249. The reversal of 20012303213 is 31230321002.

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 20012303213 - 2²² = 20008108909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20012303191 and 20012303200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012303263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429450223 + ... + 1429450236.

It is an arithmetic number, because the mean of its divisors is an integer number (5717800920).

Almost surely, 2^20012303213 is an apocalyptic number.

It is an amenable number.

20012303213 is a deficient number, since it is larger than the sum of its proper divisors (2858900467).

20012303213 is an equidigital number, since it uses as much as digits as its factorization.

20012303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858900466.

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

Adding to 20012303213 its reverse (31230321002), we get a palindrome (51242624215).

The spelling of 20012303213 in words is "twenty billion, twelve million, three hundred three thousand, two hundred thirteen".