3660018020 has 48 divisors (see below), whose sum is σ = 7811315568. Its totient is φ = 1440337920.

The previous prime is 3660017983. The next prime is 3660018031. The reversal of 3660018020 is 208100663.

3660018020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1019908096 + 2640109924 = 31936^2 + 51382^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303710 + ... + 315530.

It is an arithmetic number, because the mean of its divisors is an integer number (162735741).

Almost surely, 2^3660018020 is an apocalyptic number.

It is an amenable number.

3660018020 is an abundant number, since it is smaller than the sum of its proper divisors (4151297548).

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

3660018020 is a wasteful number, since it uses less digits than its factorization.

3660018020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080 (or 12078 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3660018020 is about 60498.0827795394. The cubic root of 3660018020 is about 1541.0890733422.

Adding to 3660018020 its reverse (208100663), we get a palindrome (3868118683).

The spelling of 3660018020 in words is "three billion, six hundred sixty million, eighteen thousand, twenty".