20116707665273 has 8 divisors (see below), whose sum is σ = 20120681313000. Its totient is φ = 20112734384128.

The previous prime is 20116707665267. The next prime is 20116707665339. The reversal of 20116707665273 is 37256670761102.

It can be written as a sum of positive squares in 4 ways, for example, as 333498165049 + 19783209500224 = 577493^2 + 4447832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20116707665273 - 2¹⁴ = 20116707648889 is a prime.

It is a super-2 number, since 2×20116707665273² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116707665473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126350765 + ... + 126509877.

It is an arithmetic number, because the mean of its divisors is an integer number (2515085164125).

Almost surely, 2^{20116707665273} is an apocalyptic number.

It is an amenable number.

20116707665273 is a deficient number, since it is larger than the sum of its proper divisors (3973647727).

20116707665273 is a wasteful number, since it uses less digits than its factorization.

20116707665273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183291.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 20116707665273 in words is "twenty trillion, one hundred sixteen billion, seven hundred seven million, six hundred sixty-five thousand, two hundred seventy-three".