20369905407935 has 8 divisors (see below), whose sum is σ = 24444806941296. Its totient is φ = 16295310691840.

The previous prime is 20369905407751. The next prime is 20369905407949. The reversal of 20369905407935 is 53970450996302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20369905407935 - 2¹² = 20369905403839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76558229 + ... + 76823838.

It is an arithmetic number, because the mean of its divisors is an integer number (3055600867662).

Almost surely, 2^{20369905407935} is an apocalyptic number.

20369905407935 is a deficient number, since it is larger than the sum of its proper divisors (4074901533361).

20369905407935 is a wasteful number, since it uses less digits than its factorization.

20369905407935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153408633.

The product of its (nonzero) digits is 55112400, while the sum is 62.

The spelling of 20369905407935 in words is "twenty trillion, three hundred sixty-nine billion, nine hundred five million, four hundred seven thousand, nine hundred thirty-five".