20244420293 has 2 divisors, whose sum is σ = 20244420294. Its totient is φ = 20244420292.

The previous prime is 20244420277. The next prime is 20244420367. The reversal of 20244420293 is 39202444202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15108834724 + 5135585569 = 122918^2 + 71663^2 .

It is a cyclic number.

It is not a de Polignac number, because 20244420293 - 2⁴ = 20244420277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244420263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122210146 + 10122210147.

It is an arithmetic number, because the mean of its divisors is an integer number (10122210147).

Almost surely, 2^20244420293 is an apocalyptic number.

It is an amenable number.

20244420293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244420293 is an equidigital number, since it uses as much as digits as its factorization.

20244420293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 20244420293 its reverse (39202444202), we get a palindrome (59446864495).

The spelling of 20244420293 in words is "twenty billion, two hundred forty-four million, four hundred twenty thousand, two hundred ninety-three".