20012011319 has 2 divisors, whose sum is σ = 20012011320. Its totient is φ = 20012011318.

The previous prime is 20012011309. The next prime is 20012011339. The reversal of 20012011319 is 91311021002.

It is an a-pointer prime, because the next prime (20012011339) can be obtained adding 20012011319 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012011319 - 2¹⁶ = 20011945783 is a prime.

It is a super-2 number, since 2×20012011319² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20012011319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012011309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006005659 + 10006005660.

It is an arithmetic number, because the mean of its divisors is an integer number (10006005660).

Almost surely, 2^20012011319 is an apocalyptic number.

20012011319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012011319 is an equidigital number, since it uses as much as digits as its factorization.

20012011319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 20012011319 in words is "twenty billion, twelve million, eleven thousand, three hundred nineteen".