63330520 has 64 divisors (see below), whose sum is σ = 160496640. Its totient is φ = 22281600.

The previous prime is 63330517. The next prime is 63330539. The reversal of 63330520 is 2503336.

63330520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 63330491 and 63330500.

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 15 ways as a sum of consecutive naturals, for example, 11319 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (2507760).

Almost surely, 2^63330520 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 63330520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80248320).

63330520 is an abundant number, since it is smaller than the sum of its proper divisors (97166120).

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

63330520 is a wasteful number, since it uses less digits than its factorization.

63330520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696 (or 4692 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 63330520 is about 7958.0474992299. The cubic root of 63330520 is about 398.6003582195.

Adding to 63330520 its reverse (2503336), we get a palindrome (65833856).

The spelling of 63330520 in words is "sixty-three million, three hundred thirty thousand, five hundred twenty".