20247510117274 has 32 divisors (see below), whose sum is σ = 35688076001280. Its totient is φ = 8519288962800.

The previous prime is 20247510117271. The next prime is 20247510117323. The reversal of 20247510117274 is 47271101574202.

It is a happy number.

It is a super-2 number, since 2×20247510117274² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20247510117274.

It is not an unprimeable number, because it can be changed into a prime (20247510117271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645384994 + ... + 645416365.

It is an arithmetic number, because the mean of its divisors is an integer number (1115252375040).

Almost surely, 2^{20247510117274} is an apocalyptic number.

20247510117274 is a deficient number, since it is larger than the sum of its proper divisors (15440565884006).

20247510117274 is a wasteful number, since it uses less digits than its factorization.

20247510117274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290801426.

The product of its (nonzero) digits is 219520, while the sum is 43.

The spelling of 20247510117274 in words is "twenty trillion, two hundred forty-seven billion, five hundred ten million, one hundred seventeen thousand, two hundred seventy-four".