3640382222020 has 12 divisors (see below), whose sum is σ = 7644802666284. Its totient is φ = 1456152888800.

The previous prime is 3640382221997. The next prime is 3640382222093. The reversal of 3640382222020 is 202222830463.

It can be written as a sum of positive squares in 2 ways, for example, as 2134971011716 + 1505411210304 = 1461154^2 + 1226952^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91009555531 + ... + 91009555570.

It is an arithmetic number, because the mean of its divisors is an integer number (637066888857).

Almost surely, 2^{3640382222020} is an apocalyptic number.

It is an amenable number.

3640382222020 is an abundant number, since it is smaller than the sum of its proper divisors (4004420444264).

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

3640382222020 is a wasteful number, since it uses less digits than its factorization.

3640382222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182019111110 (or 182019111108 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 3640382222020 in words is "three trillion, six hundred forty billion, three hundred eighty-two million, two hundred twenty-two thousand, twenty".