563783220 has 576 divisors, whose sum is σ = 2413152000. Its totient is φ = 107412480.

The previous prime is 563783203. The next prime is 563783243. The reversal of 563783220 is 22387365.

563783220 is a `hidden beast` number, since 563 + 78 + 3 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3783706 + ... + 3783854.

It is an arithmetic number, because the mean of its divisors is an integer number (4189500).

Almost surely, 2^563783220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563783220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206576000).

563783220 is an abundant number, since it is smaller than the sum of its proper divisors (1849368780).

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

563783220 is a wasteful number, since it uses less digits than its factorization.

563783220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 563783220 is about 23744.1196930945. The cubic root of 563783220 is about 826.1090538768.

The spelling of 563783220 in words is "five hundred sixty-three million, seven hundred eighty-three thousand, two hundred twenty".