20023331133 has 16 divisors (see below), whose sum is σ = 28773690176. Its totient is φ = 12312518400.

The previous prime is 20023331123. The next prime is 20023331143. The reversal of 20023331133 is 33113332002.

It is an interprime number because it is at equal distance from previous prime (20023331123) and next prime (20023331143).

It is not a de Polignac number, because 20023331133 - 2¹⁰ = 20023330109 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 (20023331113) 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, 147343 + ... + 248508.

It is an arithmetic number, because the mean of its divisors is an integer number (1798355636).

Almost surely, 2^20023331133 is an apocalyptic number.

It is an amenable number.

20023331133 is a deficient number, since it is larger than the sum of its proper divisors (8750359043).

20023331133 is a wasteful number, since it uses less digits than its factorization.

20023331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397164.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20023331133 its reverse (33113332002), we get a palindrome (53136663135).

The spelling of 20023331133 in words is "twenty billion, twenty-three million, three hundred thirty-one thousand, one hundred thirty-three".