20241421023 has 4 divisors (see below), whose sum is σ = 26988561368. Its totient is φ = 13494280680.

The previous prime is 20241421019. The next prime is 20241421037. The reversal of 20241421023 is 32012414202.

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

It is not a de Polignac number, because 20241421023 - 2² = 20241421019 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 (20241421223) 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, 3373570168 + ... + 3373570173.

It is an arithmetic number, because the mean of its divisors is an integer number (6747140342).

Almost surely, 2^20241421023 is an apocalyptic number.

20241421023 is a deficient number, since it is larger than the sum of its proper divisors (6747140345).

20241421023 is an equidigital number, since it uses as much as digits as its factorization.

20241421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747140344.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20241421023 its reverse (32012414202), we get a palindrome (52253835225).

The spelling of 20241421023 in words is "twenty billion, two hundred forty-one million, four hundred twenty-one thousand, twenty-three".