20344512126247 has 8 divisors (see below), whose sum is σ = 21250784974176. Its totient is φ = 19440050015232.

The previous prime is 20344512126217. The next prime is 20344512126277. The reversal of 20344512126247 is 74262121544302.

It is an interprime number because it is at equal distance from previous prime (20344512126217) and next prime (20344512126277).

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 20344512126247 - 2¹¹ = 20344512124199 is a prime.

It is a super-2 number, since 2×20344512126247² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344512126217) 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, 452661258 + ... + 452706199.

It is an arithmetic number, because the mean of its divisors is an integer number (2656348121772).

Almost surely, 2^{20344512126247} is an apocalyptic number.

20344512126247 is a deficient number, since it is larger than the sum of its proper divisors (906272847929).

20344512126247 is an equidigital number, since it uses as much as digits as its factorization.

20344512126247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905368457.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 20344512126247 in words is "twenty trillion, three hundred forty-four billion, five hundred twelve million, one hundred twenty-six thousand, two hundred forty-seven".