20137137 has 8 divisors (see below), whose sum is σ = 27289920. Its totient is φ = 13204560.

The previous prime is 20137111. The next prime is 20137153. The reversal of 20137137 is 73173102.

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

It is not a de Polignac number, because 20137137 - 2¹² = 20133041 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20137177) 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 7 ways as a sum of consecutive naturals, for example, 54837 + ... + 55202.

It is an arithmetic number, because the mean of its divisors is an integer number (3411240).

Almost surely, 2^20137137 is an apocalyptic number.

It is an amenable number.

20137137 is a deficient number, since it is larger than the sum of its proper divisors (7152783).

20137137 is a wasteful number, since it uses less digits than its factorization.

20137137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110103.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 20137137 is about 4487.4421444738. The cubic root of 20137137 is about 272.0607608276.

The spelling of 20137137 in words is "twenty million, one hundred thirty-seven thousand, one hundred thirty-seven".