3518552020 has 24 divisors (see below), whose sum is σ = 7643752200. Its totient is φ = 1358888832.

The previous prime is 3518552017. The next prime is 3518552071. The reversal of 3518552020 is 202558153.

It can be written as a sum of positive squares in 4 ways, for example, as 1538835984 + 1979716036 = 39228^2 + 44494^2 .

It is a super-4 number, since 4×3518552020⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

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, 3032655 + ... + 3033814.

It is an arithmetic number, because the mean of its divisors is an integer number (318489675).

Almost surely, 2^3518552020 is an apocalyptic number.

It is an amenable number.

3518552020 is an abundant number, since it is smaller than the sum of its proper divisors (4125200180).

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

3518552020 is a wasteful number, since it uses less digits than its factorization.

3518552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066507 (or 6066505 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 3518552020 is about 59317.3837926118. The cubic root of 3518552020 is about 1520.9723723978.

The spelling of 3518552020 in words is "three billion, five hundred eighteen million, five hundred fifty-two thousand, twenty".