20116713225247 has 8 divisors (see below), whose sum is σ = 20245162923216. Its totient is φ = 19988267549952.

The previous prime is 20116713225199. The next prime is 20116713225251. The reversal of 20116713225247 is 74252231761102.

It is a happy number.

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 20116713225247 - 2²⁷ = 20116579007519 is a prime.

It is a super-2 number, since 2×20116713225247² (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 (20116713228247) 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, 9368463 + ... + 11313775.

It is an arithmetic number, because the mean of its divisors is an integer number (2530645365402).

Almost surely, 2^{20116713225247} is an apocalyptic number.

20116713225247 is a deficient number, since it is larger than the sum of its proper divisors (128449697969).

20116713225247 is a wasteful number, since it uses less digits than its factorization.

20116713225247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011337.

The product of its (nonzero) digits is 282240, while the sum is 43.

Adding to 20116713225247 its reverse (74252231761102), we get a palindrome (94368944986349).

The spelling of 20116713225247 in words is "twenty trillion, one hundred sixteen billion, seven hundred thirteen million, two hundred twenty-five thousand, two hundred forty-seven".