20550341 has 4 divisors (see below), whose sum is σ = 23486112. Its totient is φ = 17614572.

The previous prime is 20550329. The next prime is 20550347. The reversal of 20550341 is 14305502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14305502 = 2 ⋅7152751.

It is a cyclic number.

It is not a de Polignac number, because 20550341 - 2¹⁴ = 20533957 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 (20550347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467875 + ... + 1467888.

It is an arithmetic number, because the mean of its divisors is an integer number (5871528).

Almost surely, 2^20550341 is an apocalyptic number.

It is an amenable number.

20550341 is a deficient number, since it is larger than the sum of its proper divisors (2935771).

20550341 is an equidigital number, since it uses as much as digits as its factorization.

20550341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935770.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20550341 is about 4533.2483938121. The cubic root of 20550341 is about 273.9090263987.

Adding to 20550341 its reverse (14305502), we get a palindrome (34855843).

The spelling of 20550341 in words is "twenty million, five hundred fifty thousand, three hundred forty-one".