20355006675005 has 8 divisors (see below), whose sum is σ = 24572271532032. Its totient is φ = 16186496325328.

The previous prime is 20355006674969. The next prime is 20355006675011. The reversal of 20355006675005 is 50057660055302.

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 20355006675005 - 2³² = 20350711707709 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 12188625917 + ... + 12188627586.

It is an arithmetic number, because the mean of its divisors is an integer number (3071533941504).

Almost surely, 2^{20355006675005} is an apocalyptic number.

It is an amenable number.

20355006675005 is a deficient number, since it is larger than the sum of its proper divisors (4217264857027).

20355006675005 is a wasteful number, since it uses less digits than its factorization.

20355006675005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24377253675.

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 20355006675005 in words is "twenty trillion, three hundred fifty-five billion, six million, six hundred seventy-five thousand, five".