3660732220 has 24 divisors (see below), whose sum is σ = 7697566800. Its totient is φ = 1462382592.

The previous prime is 3660732211. The next prime is 3660732289. The reversal of 3660732220 is 222370663.

It is a super-2 number, since 2×3660732220² = 26801920773092256800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103630 + ... + 134389.

It is an arithmetic number, because the mean of its divisors is an integer number (320731950).

Almost surely, 2^3660732220 is an apocalyptic number.

It is an amenable number.

3660732220 is an abundant number, since it is smaller than the sum of its proper divisors (4036834580).

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

3660732220 is a wasteful number, since it uses less digits than its factorization.

3660732220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238797 (or 238795 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 3660732220 is about 60503.9851580043. The cubic root of 3660732220 is about 1541.1893072961.

The spelling of 3660732220 in words is "three billion, six hundred sixty million, seven hundred thirty-two thousand, two hundred twenty".