20550206333249 has 8 divisors (see below), whose sum is σ = 20583878837760. Its totient is φ = 20516556654496.

The previous prime is 20550206333183. The next prime is 20550206333257. The reversal of 20550206333249 is 94233360205502.

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 20550206333249 - 2⁸ = 20550206332993 is a prime.

It is a super-3 number, since 3×20550206333249³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20550206333549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3903884 + ... + 7506045.

It is an arithmetic number, because the mean of its divisors is an integer number (2572984854720).

Almost surely, 2^{20550206333249} is an apocalyptic number.

It is an amenable number.

20550206333249 is a deficient number, since it is larger than the sum of its proper divisors (33672504511).

20550206333249 is a wasteful number, since it uses less digits than its factorization.

20550206333249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11412879.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 20550206333249 in words is "twenty trillion, five hundred fifty billion, two hundred six million, three hundred thirty-three thousand, two hundred forty-nine".