20663350200 has 144 divisors (see below), whose sum is σ = 69448587000. Its totient is φ = 5505926400.

The previous prime is 20663350159. The next prime is 20663350207. The reversal of 20663350200 is 205336602.

20663350200 is a `hidden beast` number, since 2 + 0 + 6 + 633 + 5 + 0 + 20 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20663350207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2784495 + ... + 2791905.

Almost surely, 2^20663350200 is an apocalyptic number.

20663350200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20663350200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34724293500).

20663350200 is an abundant number, since it is smaller than the sum of its proper divisors (48785236800).

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

20663350200 is a wasteful number, since it uses less digits than its factorization.

20663350200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8982 (or 8970 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 20663350200 its reverse (205336602), we get a palindrome (20868686802).

The spelling of 20663350200 in words is "twenty billion, six hundred sixty-three million, three hundred fifty thousand, two hundred".