20575152089 has 2 divisors, whose sum is σ = 20575152090. Its totient is φ = 20575152088.

The previous prime is 20575152053. The next prime is 20575152121. The reversal of 20575152089 is 98025157502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20130785689 + 444366400 = 141883^2 + 21080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20575152089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20575122089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10287576044 + 10287576045.

It is an arithmetic number, because the mean of its divisors is an integer number (10287576045).

Almost surely, 2^20575152089 is an apocalyptic number.

It is an amenable number.

20575152089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20575152089 is an equidigital number, since it uses as much as digits as its factorization.

20575152089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 20575152089 in words is "twenty billion, five hundred seventy-five million, one hundred fifty-two thousand, eighty-nine".