20383386 has 16 divisors (see below), whose sum is σ = 41188224. Its totient is φ = 6724224.

The previous prime is 20383381. The next prime is 20383387. The reversal of 20383386 is 68338302.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20383381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16930 + ... + 18093.

It is an arithmetic number, because the mean of its divisors is an integer number (2574264).

Almost surely, 2^20383386 is an apocalyptic number.

20383386 is an abundant number, since it is smaller than the sum of its proper divisors (20804838).

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

20383386 is a wasteful number, since it uses less digits than its factorization.

20383386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35125.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 20383386 is about 4514.7963409217. The cubic root of 20383386 is about 273.1652449917.

The spelling of 20383386 in words is "twenty million, three hundred eighty-three thousand, three hundred eighty-six".