20364386 has 8 divisors (see below), whose sum is σ = 34910400. Its totient is φ = 8727588.

The previous prime is 20364373. The next prime is 20364391. The reversal of 20364386 is 68346302.

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

It is a super-3 number, since 3×20364386³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 727286 + ... + 727313.

It is an arithmetic number, because the mean of its divisors is an integer number (4363800).

Almost surely, 2^20364386 is an apocalyptic number.

20364386 is a deficient number, since it is larger than the sum of its proper divisors (14546014).

20364386 is a wasteful number, since it uses less digits than its factorization.

20364386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454608.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 20364386 is about 4512.6916579797. The cubic root of 20364386 is about 273.0803432794.

The spelling of 20364386 in words is "twenty million, three hundred sixty-four thousand, three hundred eighty-six".