20213223313 has 8 divisors (see below), whose sum is σ = 20466534816. Its totient is φ = 19960144800.

The previous prime is 20213223269. The next prime is 20213223421. The reversal of 20213223313 is 31332231202.

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 20213223313 - 2⁹ = 20213222801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213223713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119733 + ... + 234013.

It is an arithmetic number, because the mean of its divisors is an integer number (2558316852).

Almost surely, 2^20213223313 is an apocalyptic number.

It is an amenable number.

20213223313 is a deficient number, since it is larger than the sum of its proper divisors (253311503).

20213223313 is a wasteful number, since it uses less digits than its factorization.

20213223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116495.

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

Adding to 20213223313 its reverse (31332231202), we get a palindrome (51545454515).

The spelling of 20213223313 in words is "twenty billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred thirteen".