20143344241 has 2 divisors, whose sum is σ = 20143344242. Its totient is φ = 20143344240.

The previous prime is 20143344223. The next prime is 20143344253. The reversal of 20143344241 is 14244334102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17455958641 + 2687385600 = 132121^2 + 51840^2 .

It is a cyclic number.

It is not a de Polignac number, because 20143344241 - 2¹⁷ = 20143213169 is a prime.

It is a super-2 number, since 2×20143344241² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20143344541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071672120 + 10071672121.

It is an arithmetic number, because the mean of its divisors is an integer number (10071672121).

Almost surely, 2^20143344241 is an apocalyptic number.

It is an amenable number.

20143344241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143344241 is an equidigital number, since it uses as much as digits as its factorization.

20143344241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20143344241 its reverse (14244334102), we get a palindrome (34387678343).

The spelling of 20143344241 in words is "twenty billion, one hundred forty-three million, three hundred forty-four thousand, two hundred forty-one".