20550206333250 has 384 divisors, whose sum is σ = 61336703990016. Its totient is φ = 4923072000000.

The previous prime is 20550206333183. The next prime is 20550206333257. The reversal of 20550206333250 is 5233360205502.

20550206333250 is a `hidden beast` number, since 2 + 0 + 5 + 50 + 20 + 6 + 333 + 250 = 666.

It is a super-3 number, since 3×20550206333250³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20550206333257) 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 191 ways as a sum of consecutive naturals, for example, 1682919645 + ... + 1682931855.

It is an arithmetic number, because the mean of its divisors is an integer number (159730999974).

Almost surely, 2^{20550206333250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20550206333250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30668351995008).

20550206333250 is an abundant number, since it is smaller than the sum of its proper divisors (40786497656766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20550206333250 is a wasteful number, since it uses less digits than its factorization.

20550206333250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043 (or 13030 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 20550206333250 its reverse (5233360205502), we get a palindrome (25783566538752).

The spelling of 20550206333250 in words is "twenty trillion, five hundred fifty billion, two hundred six million, three hundred thirty-three thousand, two hundred fifty".