20675110019 has 2 divisors, whose sum is σ = 20675110020. Its totient is φ = 20675110018.

The previous prime is 20675109971. The next prime is 20675110069. The reversal of 20675110019 is 91001157602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20675110019 - 2¹⁶ = 20675044483 is a prime.

It is a super-2 number, since 2×20675110019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20675110069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10337555009 + 10337555010.

It is an arithmetic number, because the mean of its divisors is an integer number (10337555010).

Almost surely, 2^20675110019 is an apocalyptic number.

20675110019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20675110019 is an equidigital number, since it uses as much as digits as its factorization.

20675110019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 32.

The spelling of 20675110019 in words is "twenty billion, six hundred seventy-five million, one hundred ten thousand, nineteen".