20250344134136 has 16 divisors (see below), whose sum is σ = 38003205949800. Its totient is φ = 10116155880864.

The previous prime is 20250344134093. The next prime is 20250344134169. The reversal of 20250344134136 is 63143144305202.

It is a self number, because there is not a number n which added to its sum of digits gives 20250344134136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127013731 + ... + 1127031698.

Almost surely, 2^{20250344134136} is an apocalyptic number.

It is an amenable number.

20250344134136 is a deficient number, since it is larger than the sum of its proper divisors (17752861815664).

20250344134136 is a wasteful number, since it uses less digits than its factorization.

20250344134136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254046558 (or 2254046554 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 20250344134136 its reverse (63143144305202), we get a palindrome (83393488439338).

The spelling of 20250344134136 in words is "twenty trillion, two hundred fifty billion, three hundred forty-four million, one hundred thirty-four thousand, one hundred thirty-six".