20001010002019 has 2 divisors, whose sum is σ = 20001010002020. Its totient is φ = 20001010002018.

The previous prime is 20001010002011. The next prime is 20001010002173. The reversal of 20001010002019 is 91020001010002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001010002019 - 2³ = 20001010002011 is a prime.

It is a super-2 number, since 2×20001010002019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001010001993 and 20001010002011.

It is not a weakly prime, because it can be changed into another prime (20001010002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000505001009 + 10000505001010.

It is an arithmetic number, because the mean of its divisors is an integer number (10000505001010).

Almost surely, 2^{20001010002019} is an apocalyptic number.

20001010002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001010002019 is an equidigital number, since it uses as much as digits as its factorization.

20001010002019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 20001010002019 in words is "twenty trillion, one billion, ten million, two thousand, nineteen".