20023101133 has 12 divisors (see below), whose sum is σ = 23731657020. Its totient is φ = 16838832192.

The previous prime is 20023101089. The next prime is 20023101149. The reversal of 20023101133 is 33110132002.

It can be written as a sum of positive squares in 2 ways, for example, as 7954320969 + 12068780164 = 89187^2 + 109858^2 .

It is not a de Polignac number, because 20023101133 - 2¹³ = 20023092941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023101233) 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, 3852448 + ... + 3857641.

It is an arithmetic number, because the mean of its divisors is an integer number (1977638085).

Almost surely, 2^20023101133 is an apocalyptic number.

It is an amenable number.

20023101133 is a deficient number, since it is larger than the sum of its proper divisors (3708555887).

20023101133 is an equidigital number, since it uses as much as digits as its factorization.

20023101133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710156 (or 7710149 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20023101133 its reverse (33110132002), we get a palindrome (53133233135).

The spelling of 20023101133 in words is "twenty billion, twenty-three million, one hundred one thousand, one hundred thirty-three".