20103133133 has 2 divisors, whose sum is σ = 20103133134. Its totient is φ = 20103133132.

The previous prime is 20103133087. The next prime is 20103133159. The reversal of 20103133133 is 33133130102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20068122244 + 35010889 = 141662^2 + 5917^2 .

It is a cyclic number.

It is not a de Polignac number, because 20103133133 - 2¹⁰ = 20103132109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20103133033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051566566 + 10051566567.

It is an arithmetic number, because the mean of its divisors is an integer number (10051566567).

Almost surely, 2^20103133133 is an apocalyptic number.

It is an amenable number.

20103133133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103133133 is an equidigital number, since it uses as much as digits as its factorization.

20103133133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20103133133 its reverse (33133130102), we get a palindrome (53236263235).

The spelling of 20103133133 in words is "twenty billion, one hundred three million, one hundred thirty-three thousand, one hundred thirty-three".