30001113220 has 144 divisors (see below), whose sum is σ = 69913331712. Its totient is φ = 10805184000.

The previous prime is 30001113217. The next prime is 30001113271. The reversal of 30001113220 is 2231110003.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 30001113220.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39947845 + ... + 39948595.

It is an arithmetic number, because the mean of its divisors is an integer number (485509248).

Almost surely, 2^30001113220 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 30001113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34956665856).

30001113220 is an abundant number, since it is smaller than the sum of its proper divisors (39912218492).

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

30001113220 is a wasteful number, since it uses less digits than its factorization.

30001113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30001113220 its reverse (2231110003), we get a palindrome (32232223223).

The spelling of 30001113220 in words is "thirty billion, one million, one hundred thirteen thousand, two hundred twenty".