33030322420 has 24 divisors (see below), whose sum is σ = 71055475848. Its totient is φ = 12889881600.

The previous prime is 33030322417. The next prime is 33030322447. The reversal of 33030322420 is 2422303033.

It can be written as a sum of positive squares in 4 ways, for example, as 2002204516 + 31028117904 = 44746^2 + 176148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33030322391 and 33030322400.

It is a congruent number.

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, 20139621 + ... + 20141260.

It is an arithmetic number, because the mean of its divisors is an integer number (2960644827).

Almost surely, 2^33030322420 is an apocalyptic number.

It is an amenable number.

33030322420 is an abundant number, since it is smaller than the sum of its proper divisors (38025153428).

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

33030322420 is a wasteful number, since it uses less digits than its factorization.

33030322420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40280931 (or 40280929 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 33030322420 its reverse (2422303033), we get a palindrome (35452625453).

The spelling of 33030322420 in words is "thirty-three billion, thirty million, three hundred twenty-two thousand, four hundred twenty".