20394846 has 12 divisors (see below), whose sum is σ = 44188872. Its totient is φ = 6798276.

The previous prime is 20394841. The next prime is 20394863. The reversal of 20394846 is 64849302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20394846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20394841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566506 + ... + 566541.

It is an arithmetic number, because the mean of its divisors is an integer number (3682406).

Almost surely, 2^20394846 is an apocalyptic number.

20394846 is an abundant number, since it is smaller than the sum of its proper divisors (23794026).

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

20394846 is a wasteful number, since it uses less digits than its factorization.

20394846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133055 (or 1133052 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 20394846 is about 4516.0653228225. The cubic root of 20394846 is about 273.2164286242.

The spelling of 20394846 in words is "twenty million, three hundred ninety-four thousand, eight hundred forty-six".