20011202200019 has 2 divisors, whose sum is σ = 20011202200020. Its totient is φ = 20011202200018.

The previous prime is 20011202200013. The next prime is 20011202200051. The reversal of 20011202200019 is 91000220211002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011202200019 is a prime.

It is a super-2 number, since 2×20011202200019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20011202200013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005601100009 + 10005601100010.

It is an arithmetic number, because the mean of its divisors is an integer number (10005601100010).

Almost surely, 2^{20011202200019} is an apocalyptic number.

20011202200019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011202200019 is an equidigital number, since it uses as much as digits as its factorization.

20011202200019 is an evil number, because the sum of its binary digits is even.

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

The spelling of 20011202200019 in words is "twenty trillion, eleven billion, two hundred two million, two hundred thousand, nineteen".