20307234702769 has 24 divisors (see below), whose sum is σ = 24034738158720. Its totient is φ = 17102881472544.

The previous prime is 20307234702763. The next prime is 20307234702779. The reversal of 20307234702769 is 96720743270302.

It is a happy number.

It is not a de Polignac number, because 20307234702769 - 2²¹ = 20307232605617 is a prime.

It is a super-3 number, since 3×20307234702769³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20307234702763) 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 23 ways as a sum of consecutive naturals, for example, 4261687 + ... + 7666579.

It is an arithmetic number, because the mean of its divisors is an integer number (1001447423280).

Almost surely, 2^{20307234702769} is an apocalyptic number.

It is an amenable number.

20307234702769 is a deficient number, since it is larger than the sum of its proper divisors (3727503455951).

20307234702769 is a wasteful number, since it uses less digits than its factorization.

20307234702769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407029 (or 3407022 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 20307234702769 in words is "twenty trillion, three hundred seven billion, two hundred thirty-four million, seven hundred two thousand, seven hundred sixty-nine".