30113020013220 has 144 divisors (see below), whose sum is σ = 91596502229232. Its totient is φ = 8007841751040.

The previous prime is 30113020013207. The next prime is 30113020013221. The reversal of 30113020013220 is 2231002031103.

30113020013220 is a `hidden beast` number, since 30 + 11 + 302 + 0 + 0 + 1 + 322 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4142234421504 + 25970785591716 = 2035248^2 + 5096154^2 .

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 = 30113020013193 and 30113020013202.

It is not an unprimeable number, because it can be changed into a prime (30113020013221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1189238160 + ... + 1189263480.

Almost surely, 2^{30113020013220} is an apocalyptic number.

30113020013220 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 30113020013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45798251114616).

30113020013220 is an abundant number, since it is smaller than the sum of its proper divisors (61483482216012).

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

30113020013220 is a wasteful number, since it uses less digits than its factorization.

30113020013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43422 (or 43417 counting only the distinct ones).

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

Adding to 30113020013220 its reverse (2231002031103), we get a palindrome (32344022044323).

The spelling of 30113020013220 in words is "thirty trillion, one hundred thirteen billion, twenty million, thirteen thousand, two hundred twenty".