20368937 has 8 divisors (see below), whose sum is σ = 20808192. Its totient is φ = 19933200.

The previous prime is 20368927. The next prime is 20368951. The reversal of 20368937 is 73986302.

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 20368937 - 2¹⁰ = 20367913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20368937.

It is not an unprimeable number, because it can be changed into a prime (20368927) 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, 13112 + ... + 14582.

It is an arithmetic number, because the mean of its divisors is an integer number (2601024).

Almost surely, 2^20368937 is an apocalyptic number.

It is an amenable number.

20368937 is a deficient number, since it is larger than the sum of its proper divisors (439255).

20368937 is a wasteful number, since it uses less digits than its factorization.

20368937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 20368937 is about 4513.1958743223. The cubic root of 20368937 is about 273.1006842818.

The spelling of 20368937 in words is "twenty million, three hundred sixty-eight thousand, nine hundred thirty-seven".