20210000001019 has 2 divisors, whose sum is σ = 20210000001020. Its totient is φ = 20210000001018.

The previous prime is 20210000000999. The next prime is 20210000001067. The reversal of 20210000001019 is 91010000001202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20210000001019 - 2¹⁹ = 20209999476731 is a prime.

It is a super-2 number, since 2×20210000001019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20210000000993 and 20210000001011.

It is not a weakly prime, because it can be changed into another prime (20210000001319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105000000509 + 10105000000510.

It is an arithmetic number, because the mean of its divisors is an integer number (10105000000510).

Almost surely, 2^{20210000001019} is an apocalyptic number.

20210000001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210000001019 is an equidigital number, since it uses as much as digits as its factorization.

20210000001019 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 16.

The spelling of 20210000001019 in words is "twenty trillion, two hundred ten billion, one thousand, nineteen".