20223121241 has 4 divisors (see below), whose sum is σ = 20223578112. Its totient is φ = 20222664372.

The previous prime is 20223121207. The next prime is 20223121271. The reversal of 20223121241 is 14212132202.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223121241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223121271) 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, 153941 + ... + 253266.

It is an arithmetic number, because the mean of its divisors is an integer number (5055894528).

Almost surely, 2^20223121241 is an apocalyptic number.

It is an amenable number.

20223121241 is a deficient number, since it is larger than the sum of its proper divisors (456871).

20223121241 is an equidigital number, since it uses as much as digits as its factorization.

20223121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456870.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20223121241 its reverse (14212132202), we get a palindrome (34435253443).

The spelling of 20223121241 in words is "twenty billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred forty-one".