20011200022019 has 2 divisors, whose sum is σ = 20011200022020. Its totient is φ = 20011200022018.

The previous prime is 20011200021983. The next prime is 20011200022103. The reversal of 20011200022019 is 91022000211002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20011200022019 - 2³² = 20006905054723 is a prime.

It is a super-2 number, since 2×20011200022019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20011200021019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005600011009 + 10005600011010.

It is an arithmetic number, because the mean of its divisors is an integer number (10005600011010).

Almost surely, 2^{20011200022019} is an apocalyptic number.

20011200022019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011200022019 is an equidigital number, since it uses as much as digits as its factorization.

20011200022019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 20011200022019 in words is "twenty trillion, eleven billion, two hundred million, twenty-two thousand, nineteen".