20244320000017 has 4 divisors (see below), whose sum is σ = 20546474029936. Its totient is φ = 19942165970100.

The previous prime is 20244319999991. The next prime is 20244320000027. The reversal of 20244320000017 is 71000002344202.

It is a happy number.

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-20244320000017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20244319999946 and 20244320000000.

It is not an unprimeable number, because it can be changed into a prime (20244320000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151077014859 + ... + 151077014992.

It is an arithmetic number, because the mean of its divisors is an integer number (5136618507484).

Almost surely, 2^{20244320000017} is an apocalyptic number.

It is an amenable number.

20244320000017 is a deficient number, since it is larger than the sum of its proper divisors (302154029919).

20244320000017 is an equidigital number, since it uses as much as digits as its factorization.

20244320000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302154029918.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 20244320000017 its reverse (71000002344202), we get a palindrome (91244322344219).

The spelling of 20244320000017 in words is "twenty trillion, two hundred forty-four billion, three hundred twenty million, seventeen", and thus it is an aban number.