30332111220 has 108 divisors (see below), whose sum is σ = 93595216260. Its totient is φ = 7951304448.

The previous prime is 30332111207. The next prime is 30332111237. The reversal of 30332111220 is 2211123303.

30332111220 is a `hidden beast` number, since 3 + 0 + 332 + 111 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23931471204 + 6400640016 = 154698^2 + 80004^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30332111193 and 30332111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 602376 + ... + 650784.

Almost surely, 2^30332111220 is an apocalyptic number.

30332111220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30332111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46797608130).

30332111220 is an abundant number, since it is smaller than the sum of its proper divisors (63263105040).

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

30332111220 is a wasteful number, since it uses less digits than its factorization.

30332111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48542 (or 48478 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30332111220 its reverse (2211123303), we get a palindrome (32543234523).

The spelling of 30332111220 in words is "thirty billion, three hundred thirty-two million, one hundred eleven thousand, two hundred twenty".