20234143133 has 4 divisors (see below), whose sum is σ = 20273896380. Its totient is φ = 20194389888.

The previous prime is 20234143063. The next prime is 20234143159. The reversal of 20234143133 is 33134143202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19080725689 + 1153417444 = 138133^2 + 33962^2 .

It is a cyclic number.

It is not a de Polignac number, because 20234143133 - 2²² = 20229948829 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 (20234143333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19875860 + ... + 19876877.

It is an arithmetic number, because the mean of its divisors is an integer number (5068474095).

Almost surely, 2^20234143133 is an apocalyptic number.

It is an amenable number.

20234143133 is a deficient number, since it is larger than the sum of its proper divisors (39753247).

20234143133 is an equidigital number, since it uses as much as digits as its factorization.

20234143133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39753246.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20234143133 its reverse (33134143202), we get a palindrome (53368286335).

The spelling of 20234143133 in words is "twenty billion, two hundred thirty-four million, one hundred forty-three thousand, one hundred thirty-three".