20354665530113 has 16 divisors (see below), whose sum is σ = 21773162517120. Its totient is φ = 18985135238784.

The previous prime is 20354665529971. The next prime is 20354665530137. The reversal of 20354665530113 is 31103556645302.

It is a cyclic number.

It is not a de Polignac number, because 20354665530113 - 2⁸ = 20354665529857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20354665530193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51021668 + ... + 51419061.

It is an arithmetic number, because the mean of its divisors is an integer number (1360822657320).

Almost surely, 2^{20354665530113} is an apocalyptic number.

20354665530113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20354665530113 is a deficient number, since it is larger than the sum of its proper divisors (1418496987007).

20354665530113 is a wasteful number, since it uses less digits than its factorization.

20354665530113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102440968.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 20354665530113 in words is "twenty trillion, three hundred fifty-four billion, six hundred sixty-five million, five hundred thirty thousand, one hundred thirteen".