20234251133 has 4 divisors (see below), whose sum is σ = 20237162400. Its totient is φ = 20231339868.

The previous prime is 20234251109. The next prime is 20234251151. The reversal of 20234251133 is 33115243202.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 20234251133 - 2⁸ = 20234250877 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 (20234751133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445183 + ... + 1459116.

It is an arithmetic number, because the mean of its divisors is an integer number (5059290600).

Almost surely, 2^20234251133 is an apocalyptic number.

It is an amenable number.

20234251133 is a deficient number, since it is larger than the sum of its proper divisors (2911267).

20234251133 is an equidigital number, since it uses as much as digits as its factorization.

20234251133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911266.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20234251133 its reverse (33115243202), we get a palindrome (53349494335).

The spelling of 20234251133 in words is "twenty billion, two hundred thirty-four million, two hundred fifty-one thousand, one hundred thirty-three".