20105020514133 has 24 divisors (see below), whose sum is σ = 30005632590336. Its totient is φ = 12958755544800.

The previous prime is 20105020514063. The next prime is 20105020514141. The reversal of 20105020514133 is 33141502050102.

20105020514133 is a `hidden beast` number, since 2 + 0 + 10 + 5 + 0 + 2 + 0 + 514 + 133 = 666.

It is not a de Polignac number, because 20105020514133 - 2¹² = 20105020510037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20105020514097 and 20105020514106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20105020594133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33662985 + ... + 34255022.

It is an arithmetic number, because the mean of its divisors is an integer number (1250234691264).

Almost surely, 2^{20105020514133} is an apocalyptic number.

It is an amenable number.

20105020514133 is a deficient number, since it is larger than the sum of its proper divisors (9900612076203).

20105020514133 is a wasteful number, since it uses less digits than its factorization.

20105020514133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67919105 (or 67919102 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 20105020514133 its reverse (33141502050102), we get a palindrome (53246522564235).

The spelling of 20105020514133 in words is "twenty trillion, one hundred five billion, twenty million, five hundred fourteen thousand, one hundred thirty-three".