20131335200205 has 32 divisors (see below), whose sum is σ = 35811146390400. Its totient is φ = 10730080296576.

The previous prime is 20131335200203. The next prime is 20131335200219. The reversal of 20131335200205 is 50200253313102.

It is a happy number.

20131335200205 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 133 + 520 + 0 + 2 + 0 + 5 = 666.

It is not a de Polignac number, because 20131335200205 - 2¹ = 20131335200203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131335200203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45834864 + ... + 46271993.

It is an arithmetic number, because the mean of its divisors is an integer number (1119098324700).

Almost surely, 2^{20131335200205} is an apocalyptic number.

It is an amenable number.

20131335200205 is a deficient number, since it is larger than the sum of its proper divisors (15679811190195).

20131335200205 is a wasteful number, since it uses less digits than its factorization.

20131335200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92108490 (or 92108484 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 20131335200205 its reverse (50200253313102), we get a palindrome (70331588513307).

The spelling of 20131335200205 in words is "twenty trillion, one hundred thirty-one billion, three hundred thirty-five million, two hundred thousand, two hundred five".