3663313220 has 24 divisors (see below), whose sum is σ = 8791952064. Its totient is φ = 1255993056.

The previous prime is 3663313219. The next prime is 3663313237. The reversal of 3663313220 is 223133663.

3663313220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13083122 + ... + 13083401.

It is an arithmetic number, because the mean of its divisors is an integer number (366331336).

Almost surely, 2^3663313220 is an apocalyptic number.

It is an amenable number.

3663313220 is an abundant number, since it is smaller than the sum of its proper divisors (5128638844).

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

3663313220 is a wasteful number, since it uses less digits than its factorization.

3663313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26166539 (or 26166537 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

The square root of 3663313220 is about 60525.3105733461. The cubic root of 3663313220 is about 1541.5514274838.

Adding to 3663313220 its reverse (223133663), we get a palindrome (3886446883).

The spelling of 3663313220 in words is "three billion, six hundred sixty-three million, three hundred thirteen thousand, two hundred twenty".