33530230000 has 50 divisors (see below), whose sum is σ = 81180064064. Its totient is φ = 13412088000.

The previous prime is 33530229979. The next prime is 33530230037. The reversal of 33530230000 is 3203533.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×33530230000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33530230000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1666512 + ... + 1686511.

Almost surely, 2^33530230000 is an apocalyptic number.

It is an amenable number.

33530230000 is an abundant number, since it is smaller than the sum of its proper divisors (47649834064).

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

33530230000 is an equidigital number, since it uses as much as digits as its factorization.

33530230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353051 (or 3353030 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 19.

Adding to 33530230000 its reverse (3203533), we get a palindrome (33533433533).

The spelling of 33530230000 in words is "thirty-three billion, five hundred thirty million, two hundred thirty thousand".