30030323220 has 72 divisors (see below), whose sum is σ = 91297848096. Its totient is φ = 7989988032.

The previous prime is 30030323203. The next prime is 30030323227. The reversal of 30030323220 is 2232303003.

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 = 30030323193 and 30030323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030323227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108562 + ... + 268041.

It is an arithmetic number, because the mean of its divisors is an integer number (1268025668).

Almost surely, 2^30030323220 is an apocalyptic number.

30030323220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30030323220 is an abundant number, since it is smaller than the sum of its proper divisors (61267524876).

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

30030323220 is a wasteful number, since it uses less digits than its factorization.

30030323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377061 (or 377056 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 30030323220 its reverse (2232303003), we get a palindrome (32262626223).

The spelling of 30030323220 in words is "thirty billion, thirty million, three hundred twenty-three thousand, two hundred twenty".