20013023213 has 8 divisors (see below), whose sum is σ = 20314922208. Its totient is φ = 19711218384.

The previous prime is 20013023201. The next prime is 20013023243. The reversal of 20013023213 is 31232031002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20013023213 - 2⁸ = 20013022957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20013023191 and 20013023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013023243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487670 + ... + 527112.

It is an arithmetic number, because the mean of its divisors is an integer number (2539365276).

Almost surely, 2^20013023213 is an apocalyptic number.

It is an amenable number.

20013023213 is a deficient number, since it is larger than the sum of its proper divisors (301898995).

20013023213 is an equidigital number, since it uses as much as digits as its factorization.

20013023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47083.

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

Adding to 20013023213 its reverse (31232031002), we get a palindrome (51245054215).

The spelling of 20013023213 in words is "twenty billion, thirteen million, twenty-three thousand, two hundred thirteen".