30003021113220 has 288 divisors, whose sum is σ = 97673533776000. Its totient is φ = 7432066621440.

The previous prime is 30003021113209. The next prime is 30003021113267. The reversal of 30003021113220 is 2231112030003.

30003021113220 is a `hidden beast` number, since 30 + 0 + 0 + 302 + 1 + 11 + 322 + 0 = 666.

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 = 30003021113193 and 30003021113202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78301300 + ... + 78683540.

It is an arithmetic number, because the mean of its divisors is an integer number (339144214500).

Almost surely, 2^{30003021113220} is an apocalyptic number.

30003021113220 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 30003021113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48836766888000).

30003021113220 is an abundant number, since it is smaller than the sum of its proper divisors (67670512662780).

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

30003021113220 is a wasteful number, since it uses less digits than its factorization.

30003021113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382723 (or 382718 counting only the distinct ones).

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

Adding to 30003021113220 its reverse (2231112030003), we get a palindrome (32234133143223).

The spelling of 30003021113220 in words is "thirty trillion, three billion, twenty-one million, one hundred thirteen thousand, two hundred twenty".