3165565020 has 48 divisors (see below), whose sum is σ = 8869367808. Its totient is φ = 843599680.

The previous prime is 3165564991. The next prime is 3165565021. The reversal of 3165565020 is 205655613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165565021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 80005 + ... + 112835.

It is an arithmetic number, because the mean of its divisors is an integer number (184778496).

Almost surely, 2^3165565020 is an apocalyptic number.

3165565020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3165565020 is an abundant number, since it is smaller than the sum of its proper divisors (5703802788).

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

3165565020 is a wasteful number, since it uses less digits than its factorization.

3165565020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34450 (or 34448 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 3165565020 is about 56263.3541481487. The cubic root of 3165565020 is about 1468.3077105676.

The spelling of 3165565020 in words is "three billion, one hundred sixty-five million, five hundred sixty-five thousand, twenty".