20133243241 has 4 divisors (see below), whose sum is σ = 20134170000. Its totient is φ = 20132316484.

The previous prime is 20133243227. The next prime is 20133243311. The reversal of 20133243241 is 14234233102.

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: 14234233102 = 2 ⋅7117116551.

It is a cyclic number.

It is not a de Polignac number, because 20133243241 - 2⁵ = 20133243209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133243211) 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, 429991 + ... + 474508.

It is an arithmetic number, because the mean of its divisors is an integer number (5033542500).

Almost surely, 2^20133243241 is an apocalyptic number.

It is an amenable number.

20133243241 is a deficient number, since it is larger than the sum of its proper divisors (926759).

20133243241 is an equidigital number, since it uses as much as digits as its factorization.

20133243241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926758.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20133243241 its reverse (14234233102), we get a palindrome (34367476343).

The spelling of 20133243241 in words is "twenty billion, one hundred thirty-three million, two hundred forty-three thousand, two hundred forty-one".