3813020032 has 32 divisors (see below), whose sum is σ = 8043093720. Its totient is φ = 1794361344.

The previous prime is 3813020011. The next prime is 3813020033. The reversal of 3813020032 is 2300203183.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 3813019985 and 3813020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813020033) 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 3 ways as a sum of consecutive naturals, for example, 873978 + ... + 878329.

Almost surely, 2^3813020032 is an apocalyptic number.

3813020032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3813020032 is an abundant number, since it is smaller than the sum of its proper divisors (4230073688).

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

3813020032 is a wasteful number, since it uses less digits than its factorization.

3813020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752338 (or 1752326 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3813020032 is about 61749.6561285972. The cubic root of 3813020032 is about 1562.2709681325.

The spelling of 3813020032 in words is "three billion, eight hundred thirteen million, twenty thousand, thirty-two".