30302030220 has 288 divisors, whose sum is σ = 108128514816. Its totient is φ = 6269760000.

The previous prime is 30302030191. The next prime is 30302030221. The reversal of 30302030220 is 2203020303.

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 30302030220.

It is not an unprimeable number, because it can be changed into a prime (30302030221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8115474 + ... + 8119206.

It is an arithmetic number, because the mean of its divisors is an integer number (375446232).

Almost surely, 2^30302030220 is an apocalyptic number.

30302030220 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 30302030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54064257408).

30302030220 is an abundant number, since it is smaller than the sum of its proper divisors (77826484596).

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

30302030220 is a wasteful number, since it uses less digits than its factorization.

30302030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021 (or 4012 counting only the distinct ones).

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

Adding to 30302030220 its reverse (2203020303), we get a palindrome (32505050523).

The spelling of 30302030220 in words is "thirty billion, three hundred two million, thirty thousand, two hundred twenty".