3816552020 has 48 divisors (see below), whose sum is σ = 8491346640. Its totient is φ = 1435951104.

The previous prime is 3816552013. The next prime is 3816552079. The reversal of 3816552020 is 202556183.

It can be written as a sum of positive squares in 8 ways, for example, as 4477456 + 3812074564 = 2116^2 + 61742^2 .

It is a congruent number.

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, 969416 + ... + 973344.

It is an arithmetic number, because the mean of its divisors is an integer number (176903055).

Almost surely, 2^3816552020 is an apocalyptic number.

It is an amenable number.

3816552020 is an abundant number, since it is smaller than the sum of its proper divisors (4674794620).

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

3816552020 is a wasteful number, since it uses less digits than its factorization.

3816552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812 (or 6810 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 3816552020 is about 61778.2487611943. The cubic root of 3816552020 is about 1562.7531947663.

The spelling of 3816552020 in words is "three billion, eight hundred sixteen million, five hundred fifty-two thousand, twenty".