20359444 has 12 divisors (see below), whose sum is σ = 40718944. Its totient is φ = 8725464.

The previous prime is 20359441. The next prime is 20359457. The reversal of 20359444 is 44495302.

It is a happy number.

20359444 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20359441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363534 + ... + 363589.

Almost surely, 2^20359444 is an apocalyptic number.

It is an amenable number.

20359444 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.

20359444 is a wasteful number, since it uses less digits than its factorization.

20359444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727134 (or 727132 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 20359444 is about 4512.1440579840. The cubic root of 20359444 is about 273.0582512434.

The spelling of 20359444 in words is "twenty million, three hundred fifty-nine thousand, four hundred forty-four".