20137116 has 12 divisors (see below), whose sum is σ = 46986632. Its totient is φ = 6712368.

The previous prime is 20137111. The next prime is 20137153. The reversal of 20137116 is 61173102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20137092 and 20137101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20137111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839035 + ... + 839058.

Almost surely, 2^20137116 is an apocalyptic number.

It is an amenable number.

20137116 is an abundant number, since it is smaller than the sum of its proper divisors (26849516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20137116 is a wasteful number, since it uses less digits than its factorization.

20137116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678100 (or 1678098 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 20137116 is about 4487.4398046102. The cubic root of 20137116 is about 272.0606662548.

The spelling of 20137116 in words is "twenty million, one hundred thirty-seven thousand, one hundred sixteen".