20241133421 has 4 divisors (see below), whose sum is σ = 20734819644. Its totient is φ = 19747447200.

The previous prime is 20241133403. The next prime is 20241133483. The reversal of 20241133421 is 12433114202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12433114202 = 2 ⋅6216557101.

It can be written as a sum of positive squares in 2 ways, for example, as 8549036521 + 11692096900 = 92461^2 + 108130^2 .

It is a cyclic number.

It is not a de Polignac number, because 20241133421 - 2²⁶ = 20174024557 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 (20241133721) 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, 246843050 + ... + 246843131.

It is an arithmetic number, because the mean of its divisors is an integer number (5183704911).

Almost surely, 2^20241133421 is an apocalyptic number.

It is an amenable number.

20241133421 is a deficient number, since it is larger than the sum of its proper divisors (493686223).

20241133421 is an equidigital number, since it uses as much as digits as its factorization.

20241133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493686222.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20241133421 its reverse (12433114202), we get a palindrome (32674247623).

The spelling of 20241133421 in words is "twenty billion, two hundred forty-one million, one hundred thirty-three thousand, four hundred twenty-one".