30020033220 has 24 divisors (see below), whose sum is σ = 84056093184. Its totient is φ = 8005342176.

The previous prime is 30020033207. The next prime is 30020033221. The reversal of 30020033220 is 2233002003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30020033220.

It is not an unprimeable number, because it can be changed into a prime (30020033221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250166884 + ... + 250167003.

It is an arithmetic number, because the mean of its divisors is an integer number (3502337216).

Almost surely, 2^30020033220 is an apocalyptic number.

30020033220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30020033220 is an abundant number, since it is smaller than the sum of its proper divisors (54036059964).

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

30020033220 is a wasteful number, since it uses less digits than its factorization.

30020033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500333899 (or 500333897 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 30020033220 its reverse (2233002003), we get a palindrome (32253035223).

The spelling of 30020033220 in words is "thirty billion, twenty million, thirty-three thousand, two hundred twenty".