20200000019 has 2 divisors, whose sum is σ = 20200000020. Its totient is φ = 20200000018.

The previous prime is 20200000013. The next prime is 20200000091. The reversal of 20200000019 is 91000000202.

Together with next prime (20200000091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200000019 - 2²⁴ = 20183222803 is a prime.

It is a super-2 number, since 2×20200000019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20199999949 and 20200000012.

It is not a weakly prime, because it can be changed into another prime (20200000013) 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, 10100000009 + 10100000010.

It is an arithmetic number, because the mean of its divisors is an integer number (10100000010).

Almost surely, 2^20200000019 is an apocalyptic number.

20200000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200000019 is an equidigital number, since it uses as much as digits as its factorization.

20200000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 20200000019 in words is "twenty billion, two hundred million, nineteen", and thus it is an aban number.