20000111069 has 2 divisors, whose sum is σ = 20000111070. Its totient is φ = 20000111068.

The previous prime is 20000111039. The next prime is 20000111191. The reversal of 20000111069 is 96011100002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13945248100 + 6054862969 = 118090^2 + 77813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000111069 is a prime.

It is a super-2 number, since 2×20000111069² (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 20000111069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000111039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000055534 + 10000055535.

It is an arithmetic number, because the mean of its divisors is an integer number (10000055535).

Almost surely, 2^20000111069 is an apocalyptic number.

It is an amenable number.

20000111069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000111069 is an equidigital number, since it uses as much as digits as its factorization.

20000111069 is an evil number, because the sum of its binary digits is even.

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

The spelling of 20000111069 in words is "twenty billion, one hundred eleven thousand, sixty-nine".