20059644 has 24 divisors (see below), whose sum is σ = 51061248. Its totient is φ = 6078640.

The previous prime is 20059639. The next prime is 20059673. The reversal of 20059644 is 44695002.

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, 75852 + ... + 76115.

It is an arithmetic number, because the mean of its divisors is an integer number (2127552).

Almost surely, 2^20059644 is an apocalyptic number.

It is an amenable number.

20059644 is an abundant number, since it is smaller than the sum of its proper divisors (31001604).

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

20059644 is a wasteful number, since it uses less digits than its factorization.

20059644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151985 (or 151983 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20059644 is about 4478.7993926944. The cubic root of 20059644 is about 271.7113250800.

The spelling of 20059644 in words is "twenty million, fifty-nine thousand, six hundred forty-four".