20100011620133 has 2 divisors, whose sum is σ = 20100011620134. Its totient is φ = 20100011620132.

The previous prime is 20100011620067. The next prime is 20100011620207. The reversal of 20100011620133 is 33102611000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11515855824004 + 8584155796129 = 3393502^2 + 2929873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100011620133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100011620033) 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 as a sum of consecutive naturals, namely, 10050005810066 + 10050005810067.

It is an arithmetic number, because the mean of its divisors is an integer number (10050005810067).

Almost surely, 2^{20100011620133} is an apocalyptic number.

It is an amenable number.

20100011620133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100011620133 is an equidigital number, since it uses as much as digits as its factorization.

20100011620133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20100011620133 its reverse (33102611000102), we get a palindrome (53202622620235).

The spelling of 20100011620133 in words is "twenty trillion, one hundred billion, eleven million, six hundred twenty thousand, one hundred thirty-three".