20382637 has 8 divisors (see below), whose sum is σ = 22331520. Its totient is φ = 18449760.

The previous prime is 20382619. The next prime is 20382641. The reversal of 20382637 is 73628302.

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 20382637 - 2¹¹ = 20380589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20382599 and 20382608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248 + ... + 6505.

It is an arithmetic number, because the mean of its divisors is an integer number (2791440).

Almost surely, 2^20382637 is an apocalyptic number.

It is an amenable number.

20382637 is a deficient number, since it is larger than the sum of its proper divisors (1948883).

20382637 is a wasteful number, since it uses less digits than its factorization.

20382637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 20382637 is about 4514.7133906816. The cubic root of 20382637 is about 273.1618990759.

The spelling of 20382637 in words is "twenty million, three hundred eighty-two thousand, six hundred thirty-seven".