20056544 has 24 divisors (see below), whose sum is σ = 40452048. Its totient is φ = 9783040.

The previous prime is 20056523. The next prime is 20056559. The reversal of 20056544 is 44565002.

It is a congruent number.

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, 6332 + ... + 8955.

It is an arithmetic number, because the mean of its divisors is an integer number (1685502).

Almost surely, 2^20056544 is an apocalyptic number.

It is an amenable number.

20056544 is an abundant number, since it is smaller than the sum of its proper divisors (20395504).

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

20056544 is a wasteful number, since it uses less digits than its factorization.

20056544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338 (or 15330 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 20056544 is about 4478.4533044345. The cubic root of 20056544 is about 271.6973276814.

The spelling of 20056544 in words is "twenty million, fifty-six thousand, five hundred forty-four".