20441263153 has 2 divisors, whose sum is σ = 20441263154. Its totient is φ = 20441263152.

The previous prime is 20441263123. The next prime is 20441263177. The reversal of 20441263153 is 35136214402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16618561569 + 3822701584 = 128913^2 + 61828^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441263153 - 2⁵ = 20441263121 is a prime.

It is not a weakly prime, because it can be changed into another prime (20441263123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220631576 + 10220631577.

It is an arithmetic number, because the mean of its divisors is an integer number (10220631577).

Almost surely, 2^20441263153 is an apocalyptic number.

It is an amenable number.

20441263153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441263153 is an equidigital number, since it uses as much as digits as its factorization.

20441263153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20441263153 its reverse (35136214402), we get a palindrome (55577477555).

The spelling of 20441263153 in words is "twenty billion, four hundred forty-one million, two hundred sixty-three thousand, one hundred fifty-three".