30233442220 has 96 divisors (see below), whose sum is σ = 66491990208. Its totient is φ = 11536699392.

The previous prime is 30233442191. The next prime is 30233442223. The reversal of 30233442220 is 2224433203.

It is a super-2 number, since 2×30233442220² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30233442223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8412744 + ... + 8416336.

It is an arithmetic number, because the mean of its divisors is an integer number (692624898).

Almost surely, 2^30233442220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30233442220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33245995104).

30233442220 is an abundant number, since it is smaller than the sum of its proper divisors (36258547988).

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

30233442220 is a wasteful number, since it uses less digits than its factorization.

30233442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859 (or 3857 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 30233442220 its reverse (2224433203), we get a palindrome (32457875423).

The spelling of 30233442220 in words is "thirty billion, two hundred thirty-three million, four hundred forty-two thousand, two hundred twenty".