20241040221 has 24 divisors (see below), whose sum is σ = 30894439680. Its totient is φ = 12743935776.

The previous prime is 20241040213. The next prime is 20241040229. The reversal of 20241040221 is 12204014202.

20241040221 is a `hidden beast` number, since 2 + 0 + 241 + 0 + 402 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (20241040213) and next prime (20241040229).

It is not a de Polignac number, because 20241040221 - 2³ = 20241040213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20241040194 and 20241040203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20241040229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602526 + ... + 635231.

It is an arithmetic number, because the mean of its divisors is an integer number (1287268320).

Almost surely, 2^20241040221 is an apocalyptic number.

It is an amenable number.

20241040221 is a deficient number, since it is larger than the sum of its proper divisors (10653399459).

20241040221 is a wasteful number, since it uses less digits than its factorization.

20241040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237865 (or 1237862 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20241040221 its reverse (12204014202), we get a palindrome (32445054423).

The spelling of 20241040221 in words is "twenty billion, two hundred forty-one million, forty thousand, two hundred twenty-one".