20544055 has 8 divisors (see below), whose sum is σ = 28174752. Its totient is φ = 14087328.

The previous prime is 20544049. The next prime is 20544079. The reversal of 20544055 is 55044502.

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

It is a cyclic number.

It is not a de Polignac number, because 20544055 - 2³ = 20544047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293452 + ... + 293521.

It is an arithmetic number, because the mean of its divisors is an integer number (3521844).

Almost surely, 2^20544055 is an apocalyptic number.

20544055 is a deficient number, since it is larger than the sum of its proper divisors (7630697).

20544055 is an equidigital number, since it uses as much as digits as its factorization.

20544055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586985.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 20544055 is about 4532.5550189711. Note that the first 3 decimals coincide. The cubic root of 20544055 is about 273.8810955122.

Adding to 20544055 its reverse (55044502), we get a palindrome (75588557).

It can be divided in two parts, 2054405 and 5, that multiplied together give a square (10272025 = 3205²).

The spelling of 20544055 in words is "twenty million, five hundred forty-four thousand, fifty-five".