20244406241 has 4 divisors (see below), whose sum is σ = 20245425684. Its totient is φ = 20243386800.

The previous prime is 20244406219. The next prime is 20244406249. The reversal of 20244406241 is 14260444202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1508545600 + 18735860641 = 38840^2 + 136879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20244406241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244406249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479330 + ... + 519851.

It is an arithmetic number, because the mean of its divisors is an integer number (5061356421).

Almost surely, 2^20244406241 is an apocalyptic number.

It is an amenable number.

20244406241 is a deficient number, since it is larger than the sum of its proper divisors (1019443).

20244406241 is an equidigital number, since it uses as much as digits as its factorization.

20244406241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019442.

The product of its (nonzero) digits is 12288, while the sum is 29.

The spelling of 20244406241 in words is "twenty billion, two hundred forty-four million, four hundred six thousand, two hundred forty-one".