20384436530153 has 2 divisors, whose sum is σ = 20384436530154. Its totient is φ = 20384436530152.

The previous prime is 20384436530093. The next prime is 20384436530167. The reversal of 20384436530153 is 35103563448302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20353560066064 + 30876464089 = 4511492^2 + 175717^2 .

It is a cyclic number.

It is not a de Polignac number, because 20384436530153 - 2¹⁰ = 20384436529129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20384436530098 and 20384436530107.

It is not a weakly prime, because it can be changed into another prime (20384436530453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192218265076 + 10192218265077.

It is an arithmetic number, because the mean of its divisors is an integer number (10192218265077).

Almost surely, 2^{20384436530153} is an apocalyptic number.

It is an amenable number.

20384436530153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20384436530153 is an equidigital number, since it uses as much as digits as its factorization.

20384436530153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 47.

Adding to 20384436530153 its reverse (35103563448302), we get a palindrome (55487999978455).

The spelling of 20384436530153 in words is "twenty trillion, three hundred eighty-four billion, four hundred thirty-six million, five hundred thirty thousand, one hundred fifty-three".