3520213120 has 64 divisors (see below), whose sum is σ = 8910567000. Its totient is φ = 1325252608.

The previous prime is 3520213079. The next prime is 3520213121. The reversal of 3520213120 is 213120253.

It can be written as a sum of positive squares in 4 ways, for example, as 3108285504 + 411927616 = 55752^2 + 20296^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3520213121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150895 + ... + 172654.

Almost surely, 2^3520213120 is an apocalyptic number.

It is an amenable number.

3520213120 is an abundant number, since it is smaller than the sum of its proper divisors (5390353880).

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

3520213120 is a wasteful number, since it uses less digits than its factorization.

3520213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323585 (or 323573 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3520213120 is about 59331.3839380138. The cubic root of 3520213120 is about 1521.2116838830.

Adding to 3520213120 its reverse (213120253), we get a palindrome (3733333373).

The spelling of 3520213120 in words is "three billion, five hundred twenty million, two hundred thirteen thousand, one hundred twenty".