20320003002133 has 8 divisors (see below), whose sum is σ = 20333314172376. Its totient is φ = 20306692608000.

The previous prime is 20320003002083. The next prime is 20320003002137. The reversal of 20320003002133 is 33120030002302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6195807983044 + 14124195019089 = 2489138^2 + 3758217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20320003002133 - 2²⁹ = 20319466131221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20320003002133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320003002137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57846735 + ... + 58196947.

It is an arithmetic number, because the mean of its divisors is an integer number (2541664271547).

Almost surely, 2^{20320003002133} is an apocalyptic number.

It is an amenable number.

20320003002133 is a deficient number, since it is larger than the sum of its proper divisors (13311170243).

20320003002133 is a wasteful number, since it uses less digits than its factorization.

20320003002133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388055.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20320003002133 its reverse (33120030002302), we get a palindrome (53440033004435).

The spelling of 20320003002133 in words is "twenty trillion, three hundred twenty billion, three million, two thousand, one hundred thirty-three".