165035020 has 12 divisors (see below), whose sum is σ = 346573584. Its totient is φ = 66014000.

The previous prime is 165035011. The next prime is 165035021. The reversal of 165035020 is 20530561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 165034982 and 165035000.

It is not an unprimeable number, because it can be changed into a prime (165035021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125856 + ... + 4125895.

It is an arithmetic number, because the mean of its divisors is an integer number (28881132).

Almost surely, 2^165035020 is an apocalyptic number.

165035020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165035020 is an abundant number, since it is smaller than the sum of its proper divisors (181538564).

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

165035020 is a wasteful number, since it uses less digits than its factorization.

165035020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251760 (or 8251758 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 165035020 is about 12846.5956579944. The cubic root of 165035020 is about 548.5194561196.

Adding to 165035020 its reverse (20530561), we get a palindrome (185565581).

The spelling of 165035020 in words is "one hundred sixty-five million, thirty-five thousand, twenty".