20555341 has 8 divisors (see below), whose sum is σ = 20854944. Its totient is φ = 20258160.

The previous prime is 20555323. The next prime is 20555347. The reversal of 20555341 is 14355502.

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 20555341 - 2²¹ = 18458189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20555347) 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 7 ways as a sum of consecutive naturals, for example, 22210 + ... + 23116.

It is an arithmetic number, because the mean of its divisors is an integer number (2606868).

Almost surely, 2^20555341 is an apocalyptic number.

It is an amenable number.

20555341 is a deficient number, since it is larger than the sum of its proper divisors (299603).

20555341 is a wasteful number, since it uses less digits than its factorization.

20555341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 20555341 is about 4533.7998411928. The cubic root of 20555341 is about 273.9312390727.

It can be divided in two parts, 2055 and 5341, that added together give a square (7396 = 86²).

The spelling of 20555341 in words is "twenty million, five hundred fifty-five thousand, three hundred forty-one".