20395446 has 8 divisors (see below), whose sum is σ = 40790904. Its totient is φ = 6798480.

The previous prime is 20395433. The next prime is 20395447. The reversal of 20395446 is 64459302.

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

20395446 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20395447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699615 + ... + 1699626.

It is an arithmetic number, because the mean of its divisors is an integer number (5098863).

Almost surely, 2^20395446 is an apocalyptic number.

20395446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20395446 is a wasteful number, since it uses less digits than its factorization.

20395446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399246.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 20395446 is about 4516.1317518425. The cubic root of 20395446 is about 273.2191078673.

The spelling of 20395446 in words is "twenty million, three hundred ninety-five thousand, four hundred forty-six".