20201033133 has 12 divisors (see below), whose sum is σ = 29180623420. Its totient is φ = 13466730816.

The previous prime is 20201033123. The next prime is 20201033191. The reversal of 20201033133 is 33133010202.

It can be written as a sum of positive squares in 2 ways, for example, as 689692644 + 19511340489 = 26262^2 + 139683^2 .

It is not a de Polignac number, because 20201033133 - 2¹⁷ = 20200902061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201033123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237633 + ... + 311241.

Almost surely, 2^20201033133 is an apocalyptic number.

It is an amenable number.

20201033133 is a deficient number, since it is larger than the sum of its proper divisors (8979590287).

20201033133 is a wasteful number, since it uses less digits than its factorization.

20201033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104108 (or 104105 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20201033133 its reverse (33133010202), we get a palindrome (53334043335).

The spelling of 20201033133 in words is "twenty billion, two hundred one million, thirty-three thousand, one hundred thirty-three".