20092500117 has 20 divisors (see below), whose sum is σ = 30020484780. Its totient is φ = 13392428544.

The previous prime is 20092500023. The next prime is 20092500137. The reversal of 20092500117 is 71100529002.

It can be written as a sum of positive squares in 2 ways, for example, as 1178274276 + 18914225841 = 34326^2 + 137529^2 .

It is not a de Polignac number, because 20092500117 - 2¹⁵ = 20092467349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092500137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 461359 + ... + 503027.

It is an arithmetic number, because the mean of its divisors is an integer number (1501024239).

Almost surely, 2^20092500117 is an apocalyptic number.

20092500117 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20092500117 is a deficient number, since it is larger than the sum of its proper divisors (9927984663).

20092500117 is an equidigital number, since it uses as much as digits as its factorization.

20092500117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47634 (or 47625 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 20092500117 in words is "twenty billion, ninety-two million, five hundred thousand, one hundred seventeen".