20466365 has 8 divisors (see below), whose sum is σ = 25223640. Its totient is φ = 15930432.

The previous prime is 20466359. The next prime is 20466377. The reversal of 20466365 is 56366402.

It can be written as a sum of positive squares in 4 ways, for example, as 2199289 + 18267076 = 1483^2 + 4274^2 .

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 20466365 - 2⁴ = 20466349 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 55130 + ... + 55499.

It is an arithmetic number, because the mean of its divisors is an integer number (3152955).

Almost surely, 2^20466365 is an apocalyptic number.

It is an amenable number.

20466365 is a deficient number, since it is larger than the sum of its proper divisors (4757275).

20466365 is a wasteful number, since it uses less digits than its factorization.

20466365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110671.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 20466365 is about 4523.9766798692. The cubic root of 20466365 is about 273.5354204833.

The spelling of 20466365 in words is "twenty million, four hundred sixty-six thousand, three hundred sixty-five".