20244050243 has 4 divisors (see below), whose sum is σ = 20737807608. Its totient is φ = 19750292880.

The previous prime is 20244050237. The next prime is 20244050257. The reversal of 20244050243 is 34205044202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20244050243 - 2²² = 20239855939 is a prime.

It is a super-2 number, since 2×20244050243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244053243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246878621 + ... + 246878702.

It is an arithmetic number, because the mean of its divisors is an integer number (5184451902).

Almost surely, 2^20244050243 is an apocalyptic number.

20244050243 is a deficient number, since it is larger than the sum of its proper divisors (493757365).

20244050243 is an equidigital number, since it uses as much as digits as its factorization.

20244050243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493757364.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20244050243 its reverse (34205044202), we get a palindrome (54449094445).

The spelling of 20244050243 in words is "twenty billion, two hundred forty-four million, fifty thousand, two hundred forty-three".