20014550 has 12 divisors (see below), whose sum is σ = 37227156. Its totient is φ = 8005800.

The previous prime is 20014529. The next prime is 20014567. The reversal of 20014550 is 5541002.

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 5 ways as a sum of consecutive naturals, for example, 200096 + ... + 200195.

It is an arithmetic number, because the mean of its divisors is an integer number (3102263).

Almost surely, 2^20014550 is an apocalyptic number.

20014550 is a deficient number, since it is larger than the sum of its proper divisors (17212606).

20014550 is a wasteful number, since it uses less digits than its factorization.

20014550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400303 (or 400298 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 20014550 is about 4473.7623986975. The cubic root of 20014550 is about 271.5075703307.

Adding to 20014550 its reverse (5541002), we get a palindrome (25555552).

The spelling of 20014550 in words is "twenty million, fourteen thousand, five hundred fifty".