663020324 has 24 divisors (see below), whose sum is σ = 1168944000. Its totient is φ = 329046624.

The previous prime is 663020299. The next prime is 663020329. The reversal of 663020324 is 423020366.

It is a junction number, because it is equal to n+sod(n) for n = 663020293 and 663020302.

It is not an unprimeable number, because it can be changed into a prime (663020329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 330677 + ... + 332675.

It is an arithmetic number, because the mean of its divisors is an integer number (48706000).

Almost surely, 2^663020324 is an apocalyptic number.

It is an amenable number.

663020324 is a deficient number, since it is larger than the sum of its proper divisors (505923676).

663020324 is a wasteful number, since it uses less digits than its factorization.

663020324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 663020324 is about 25749.1810355203. The cubic root of 663020324 is about 871.9848652789.

The spelling of 663020324 in words is "six hundred sixty-three million, twenty thousand, three hundred twenty-four".