20221112533 has 4 divisors (see below), whose sum is σ = 20691371008. Its totient is φ = 19750854060.

The previous prime is 20221112531. The next prime is 20221112551. The reversal of 20221112533 is 33521112202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33521112202 = 2 ⋅16760556101.

It is a cyclic number.

It is not a de Polignac number, because 20221112533 - 2¹ = 20221112531 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 (20221112531) 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 3 ways as a sum of consecutive naturals, for example, 235129173 + ... + 235129258.

It is an arithmetic number, because the mean of its divisors is an integer number (5172842752).

Almost surely, 2^20221112533 is an apocalyptic number.

It is an amenable number.

20221112533 is a deficient number, since it is larger than the sum of its proper divisors (470258475).

20221112533 is an equidigital number, since it uses as much as digits as its factorization.

20221112533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470258474.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20221112533 its reverse (33521112202), we get a palindrome (53742224735).

The spelling of 20221112533 in words is "twenty billion, two hundred twenty-one million, one hundred twelve thousand, five hundred thirty-three".