20152503089 has 2 divisors, whose sum is σ = 20152503090. Its totient is φ = 20152503088.

The previous prime is 20152503053. The next prime is 20152503149. The reversal of 20152503089 is 98030525102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19967950864 + 184552225 = 141308^2 + 13585^2 .

It is a cyclic number.

It is not a de Polignac number, because 20152503089 - 2⁸ = 20152502833 is a prime.

It is a super-2 number, since 2×20152503089² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20152506089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076251544 + 10076251545.

It is an arithmetic number, because the mean of its divisors is an integer number (10076251545).

Almost surely, 2^20152503089 is an apocalyptic number.

It is an amenable number.

20152503089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20152503089 is an equidigital number, since it uses as much as digits as its factorization.

20152503089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 20152503089 in words is "twenty billion, one hundred fifty-two million, five hundred three thousand, eighty-nine".