20067695112709 has 16 divisors (see below), whose sum is σ = 20224584540160. Its totient is φ = 19911234095280.

The previous prime is 20067695112659. The next prime is 20067695112737. The reversal of 20067695112709 is 90721159676002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20067695112709 - 2¹⁵ = 20067695079941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20067695112709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067695112739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430253812 + ... + 430300450.

It is an arithmetic number, because the mean of its divisors is an integer number (1264036533760).

Almost surely, 2^{20067695112709} is an apocalyptic number.

It is an amenable number.

20067695112709 is a deficient number, since it is larger than the sum of its proper divisors (156889427451).

20067695112709 is a wasteful number, since it uses less digits than its factorization.

20067695112709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51160.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 20067695112709 in words is "twenty trillion, sixty-seven billion, six hundred ninety-five million, one hundred twelve thousand, seven hundred nine".