20113133147 has 2 divisors, whose sum is σ = 20113133148. Its totient is φ = 20113133146.

The previous prime is 20113133137. The next prime is 20113133213. The reversal of 20113133147 is 74133131102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113133147 - 2¹² = 20113129051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113133137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056566573 + 10056566574.

It is an arithmetic number, because the mean of its divisors is an integer number (10056566574).

Almost surely, 2^20113133147 is an apocalyptic number.

20113133147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113133147 is an equidigital number, since it uses as much as digits as its factorization.

20113133147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 20113133147 its reverse (74133131102), we get a palindrome (94246264249).

The spelling of 20113133147 in words is "twenty billion, one hundred thirteen million, one hundred thirty-three thousand, one hundred forty-seven".