30201122220 has 48 divisors (see below), whose sum is σ = 84677080320. Its totient is φ = 8042781376.

The previous prime is 30201122177. The next prime is 30201122221. The reversal of 30201122220 is 2222110203.

It is a happy number.

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 30201122220.

It is not an unprimeable number, because it can be changed into a prime (30201122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294150 + ... + 383309.

It is an arithmetic number, because the mean of its divisors is an integer number (1764105840).

Almost surely, 2^30201122220 is an apocalyptic number.

30201122220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30201122220 is an abundant number, since it is smaller than the sum of its proper divisors (54475958100).

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

30201122220 is a wasteful number, since it uses less digits than its factorization.

30201122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678214 (or 678212 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30201122220 its reverse (2222110203), we get a palindrome (32423232423).

The spelling of 30201122220 in words is "thirty billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty".