20133162533 has 8 divisors (see below), whose sum is σ = 22144967616. Its totient is φ = 18302873820.

The previous prime is 20133162503. The next prime is 20133162541. The reversal of 20133162533 is 33526133102.

It is not a de Polignac number, because 20133162533 - 2²⁰ = 20132113957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133162496 and 20133162505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133162503) 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, 7561841 + ... + 7564502.

It is an arithmetic number, because the mean of its divisors is an integer number (2768120952).

Almost surely, 2^20133162533 is an apocalyptic number.

It is an amenable number.

20133162533 is a deficient number, since it is larger than the sum of its proper divisors (2011805083).

20133162533 is an equidigital number, since it uses as much as digits as its factorization.

20133162533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15126376 (or 15126354 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 20133162533 its reverse (33526133102), we get a palindrome (53659295635).

The spelling of 20133162533 in words is "twenty billion, one hundred thirty-three million, one hundred sixty-two thousand, five hundred thirty-three".