20354665530055 has 8 divisors (see below), whose sum is σ = 24436635973632. Its totient is φ = 16276374199008.

The previous prime is 20354665529971. The next prime is 20354665530137. The reversal of 20354665530055 is 55003556645302.

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 20354665530055 - 2⁹ = 20354665529543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20354665529990 and 20354665530008.

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, 919765959 + ... + 919788088.

It is an arithmetic number, because the mean of its divisors is an integer number (3054579496704).

Almost surely, 2^{20354665530055} is an apocalyptic number.

20354665530055 is a deficient number, since it is larger than the sum of its proper divisors (4081970443577).

20354665530055 is a wasteful number, since it uses less digits than its factorization.

20354665530055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839556265.

The product of its (nonzero) digits is 8100000, while the sum is 49.

The spelling of 20354665530055 in words is "twenty trillion, three hundred fifty-four billion, six hundred sixty-five million, five hundred thirty thousand, fifty-five".