20550663050 has 48 divisors (see below), whose sum is σ = 39508221312. Its totient is φ = 7948358400.

The previous prime is 20550663041. The next prime is 20550663053. The reversal of 20550663050 is 5036605502.

It is a junction number, because it is equal to n+sod(n) for n = 20550662998 and 20550663016.

It is not an unprimeable number, because it can be changed into a prime (20550663053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142370 + ... + 247730.

It is an arithmetic number, because the mean of its divisors is an integer number (823087944).

Almost surely, 2^20550663050 is an apocalyptic number.

20550663050 is a deficient number, since it is larger than the sum of its proper divisors (18957558262).

20550663050 is a wasteful number, since it uses less digits than its factorization.

20550663050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105503 (or 105498 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 20550663050 in words is "twenty billion, five hundred fifty million, six hundred sixty-three thousand, fifty".