20550059 has 12 divisors (see below), whose sum is σ = 22388184. Its totient is φ = 18797184.

The previous prime is 20550041. The next prime is 20550071. The reversal of 20550059 is 95005502.

It is not a de Polignac number, because 20550059 - 2¹⁶ = 20484523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20550659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22832 + ... + 23714.

It is an arithmetic number, because the mean of its divisors is an integer number (1865682).

Almost surely, 2^20550059 is an apocalyptic number.

20550059 is a deficient number, since it is larger than the sum of its proper divisors (1838125).

20550059 is an equidigital number, since it uses as much as digits as its factorization.

20550059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 20550059 is about 4533.2172901814. The cubic root of 20550059 is about 273.9077734965.

The spelling of 20550059 in words is "twenty million, five hundred fifty thousand, fifty-nine".