33030030220 has 24 divisors (see below), whose sum is σ = 75668797008. Its totient is φ = 12010920000.

The previous prime is 33030030181. The next prime is 33030030251. The reversal of 33030030220 is 2203003033.

It is a happy number.

It is a super-2 number, since 2×33030030220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33030030194 and 33030030203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75068031 + ... + 75068470.

It is an arithmetic number, because the mean of its divisors is an integer number (3152866542).

Almost surely, 2^33030030220 is an apocalyptic number.

It is an amenable number.

33030030220 is an abundant number, since it is smaller than the sum of its proper divisors (42638766788).

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

33030030220 is a wasteful number, since it uses less digits than its factorization.

33030030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150136521 (or 150136519 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 33030030220 its reverse (2203003033), we get a palindrome (35233033253).

The spelling of 33030030220 in words is "thirty-three billion, thirty million, thirty thousand, two hundred twenty".