33321220230 has 32 divisors (see below), whose sum is σ = 79984576224. Its totient is φ = 8884142336.

The previous prime is 33321220217. The next prime is 33321220253. The reversal of 33321220230 is 3202212333.

It is a super-2 number, since 2×33321220230² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33321220197 and 33321220206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89842 + ... + 273338.

It is an arithmetic number, because the mean of its divisors is an integer number (2499518007).

Almost surely, 2^33321220230 is an apocalyptic number.

33321220230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33321220230 is an abundant number, since it is smaller than the sum of its proper divisors (46663355994).

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

33321220230 is a wasteful number, since it uses less digits than its factorization.

33321220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189560.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33321220230 its reverse (3202212333), we get a palindrome (36523432563).

The spelling of 33321220230 in words is "thirty-three billion, three hundred twenty-one million, two hundred twenty thousand, two hundred thirty".