20045032521333 has 16 divisors (see below), whose sum is σ = 27696911860800. Its totient is φ = 12879873802880.

The previous prime is 20045032521329. The next prime is 20045032521379. The reversal of 20045032521333 is 33312523054002.

It is a cyclic number.

It is not a de Polignac number, because 20045032521333 - 2² = 20045032521329 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20045032521294 and 20045032521303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045032521533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202413303 + ... + 202512308.

It is an arithmetic number, because the mean of its divisors is an integer number (1731056991300).

Almost surely, 2^{20045032521333} is an apocalyptic number.

It is an amenable number.

20045032521333 is a deficient number, since it is larger than the sum of its proper divisors (7651879339467).

20045032521333 is a wasteful number, since it uses less digits than its factorization.

20045032521333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404926212.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 20045032521333 its reverse (33312523054002), we get a palindrome (53357555575335).

The spelling of 20045032521333 in words is "twenty trillion, forty-five billion, thirty-two million, five hundred twenty-one thousand, three hundred thirty-three".