20655344335 has 16 divisors (see below), whose sum is σ = 26854778016. Its totient is φ = 15190576128.

The previous prime is 20655344323. The next prime is 20655344377. The reversal of 20655344335 is 53344355602.

It is a cyclic number.

It is not a de Polignac number, because 20655344335 - 2²³ = 20646955727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821974 + ... + 2829283.

It is an arithmetic number, because the mean of its divisors is an integer number (1678423626).

Almost surely, 2^20655344335 is an apocalyptic number.

20655344335 is a deficient number, since it is larger than the sum of its proper divisors (6199433681).

20655344335 is a wasteful number, since it uses less digits than its factorization.

20655344335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651322.

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 20655344335 its reverse (53344355602), we get a palindrome (73999699937).

The spelling of 20655344335 in words is "twenty billion, six hundred fifty-five million, three hundred forty-four thousand, three hundred thirty-five".