20550254093 has 2 divisors, whose sum is σ = 20550254094. Its totient is φ = 20550254092.

The previous prime is 20550254083. The next prime is 20550254117. The reversal of 20550254093 is 39045205502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11321385604 + 9228868489 = 106402^2 + 96067^2 .

It is a cyclic number.

It is not a de Polignac number, because 20550254093 - 2¹⁴ = 20550237709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20550254063) 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 as a sum of consecutive naturals, namely, 10275127046 + 10275127047.

It is an arithmetic number, because the mean of its divisors is an integer number (10275127047).

Almost surely, 2^20550254093 is an apocalyptic number.

It is an amenable number.

20550254093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20550254093 is an equidigital number, since it uses as much as digits as its factorization.

20550254093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 20550254093 its reverse (39045205502), we get a palindrome (59595459595).

The spelling of 20550254093 in words is "twenty billion, five hundred fifty million, two hundred fifty-four thousand, ninety-three".