20046338 has 8 divisors (see below), whose sum is σ = 32382588. Its totient is φ = 9252144.

The previous prime is 20046289. The next prime is 20046347. The reversal of 20046338 is 83364002.

It can be written as a sum of positive squares in 2 ways, for example, as 20043529 + 2809 = 4477^2 + 53^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 771013 = 20046338 / (2 + 0 + 0 + 4 + 6 + 3 + 3 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385481 + ... + 385532.

Almost surely, 2^20046338 is an apocalyptic number.

20046338 is a deficient number, since it is larger than the sum of its proper divisors (12336250).

20046338 is a wasteful number, since it uses less digits than its factorization.

20046338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771028.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20046338 is about 4477.3137035504. The cubic root of 20046338 is about 271.6512344394.

The spelling of 20046338 in words is "twenty million, forty-six thousand, three hundred thirty-eight".