20005106736051 has 40 divisors (see below), whose sum is σ = 31459042657680. Its totient is φ = 12633993029952.

The previous prime is 20005106736049. The next prime is 20005106736103. The reversal of 20005106736051 is 15063760150002.

20005106736051 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 510 + 67 + 36 + 0 + 51 = 666.

It is not a de Polignac number, because 20005106736051 - 2¹ = 20005106736049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20005106735997 and 20005106736015.

It is not an unprimeable number, because it can be changed into a prime (20005106636051) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24025345 + ... + 24844061.

It is an arithmetic number, because the mean of its divisors is an integer number (786476066442).

Almost surely, 2^{20005106736051} is an apocalyptic number.

20005106736051 is a deficient number, since it is larger than the sum of its proper divisors (11453935921629).

20005106736051 is a wasteful number, since it uses less digits than its factorization.

20005106736051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834625 (or 834616 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

Adding to 20005106736051 its reverse (15063760150002), we get a palindrome (35068866886053).

The spelling of 20005106736051 in words is "twenty trillion, five billion, one hundred six million, seven hundred thirty-six thousand, fifty-one".