20081320007133 has 32 divisors (see below), whose sum is σ = 33657818360832. Its totient is φ = 10431854534640.

The previous prime is 20081320007101. The next prime is 20081320007227. The reversal of 20081320007133 is 33170002318002.

It is not a de Polignac number, because 20081320007133 - 2⁵ = 20081320007101 is a prime.

It is a super-2 number, since 2×20081320007133² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20081320007133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20081320007633) 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 in 31 ways as a sum of consecutive naturals, for example, 359195691 + ... + 359251592.

It is an arithmetic number, because the mean of its divisors is an integer number (1051806823776).

Almost surely, 2^{20081320007133} is an apocalyptic number.

It is an amenable number.

20081320007133 is a deficient number, since it is larger than the sum of its proper divisors (13576498353699).

20081320007133 is an equidigital number, since it uses as much as digits as its factorization.

20081320007133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718447326 (or 718447304 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 20081320007133 in words is "twenty trillion, eighty-one billion, three hundred twenty million, seven thousand, one hundred thirty-three".