20450141053 has 2 divisors, whose sum is σ = 20450141054. Its totient is φ = 20450141052.

The previous prime is 20450141051. The next prime is 20450141167. The reversal of 20450141053 is 35014105402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10458539289 + 9991601764 = 102267^2 + 99958^2 .

It is a cyclic number.

It is not a de Polignac number, because 20450141053 - 2¹ = 20450141051 is a prime.

Together with 20450141051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20450141051) 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, 10225070526 + 10225070527.

It is an arithmetic number, because the mean of its divisors is an integer number (10225070527).

Almost surely, 2^20450141053 is an apocalyptic number.

It is an amenable number.

20450141053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20450141053 is an equidigital number, since it uses as much as digits as its factorization.

20450141053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20450141053 its reverse (35014105402), we get a palindrome (55464246455).

The spelling of 20450141053 in words is "twenty billion, four hundred fifty million, one hundred forty-one thousand, fifty-three".