3820532920 has 32 divisors (see below), whose sum is σ = 9048632400. Its totient is φ = 1447780608.

The previous prime is 3820532917. The next prime is 3820532951. The reversal of 3820532920 is 292350283.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512749 + ... + 2514268.

Almost surely, 2^3820532920 is an apocalyptic number.

It is an amenable number.

3820532920 is an abundant number, since it is smaller than the sum of its proper divisors (5228099480).

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

3820532920 is a wasteful number, since it uses less digits than its factorization.

3820532920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027047 (or 5027043 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3820532920 is about 61810.4596326544. The cubic root of 3820532920 is about 1563.2963553986.

The spelling of 3820532920 in words is "three billion, eight hundred twenty million, five hundred thirty-two thousand, nine hundred twenty".