20224333344313 has 4 divisors (see below), whose sum is σ = 23113523822080. Its totient is φ = 17335142866548.

The previous prime is 20224333344283. The next prime is 20224333344419. The reversal of 20224333344313 is 31344333342202.

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 a de Polignac number, because none of the positive numbers 2^k-20224333344313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20224330344313) 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, 1444595238873 + ... + 1444595238886.

It is an arithmetic number, because the mean of its divisors is an integer number (5778380955520).

Almost surely, 2^{20224333344313} is an apocalyptic number.

It is an amenable number.

20224333344313 is a deficient number, since it is larger than the sum of its proper divisors (2889190477767).

20224333344313 is an equidigital number, since it uses as much as digits as its factorization.

20224333344313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889190477766.

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 20224333344313 its reverse (31344333342202), we get a palindrome (51568666686515).

The spelling of 20224333344313 in words is "twenty trillion, two hundred twenty-four billion, three hundred thirty-three million, three hundred forty-four thousand, three hundred thirteen".