20369680735 has 8 divisors (see below), whose sum is σ = 24507440640. Its totient is φ = 16253195424.

The previous prime is 20369680717. The next prime is 20369680763. The reversal of 20369680735 is 53708696302.

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 20369680735 - 2⁵ = 20369680703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5316540 + ... + 5320369.

It is an arithmetic number, because the mean of its divisors is an integer number (3063430080).

Almost surely, 2^20369680735 is an apocalyptic number.

20369680735 is a deficient number, since it is larger than the sum of its proper divisors (4137759905).

20369680735 is a wasteful number, since it uses less digits than its factorization.

20369680735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10637297.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 20369680735 in words is "twenty billion, three hundred sixty-nine million, six hundred eighty thousand, seven hundred thirty-five".