30003220320 has 96 divisors (see below), whose sum is σ = 98619316992. Its totient is φ = 7652992512.

The previous prime is 30003220319. The next prime is 30003220337. The reversal of 30003220320 is 2302230003.

It is a tau number, because it is divible by the number of its divisors (96).

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 30003220320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347802 + ... + 1369881.

It is an arithmetic number, because the mean of its divisors is an integer number (1027284552).

Almost surely, 2^30003220320 is an apocalyptic number.

30003220320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30003220320 is an abundant number, since it is smaller than the sum of its proper divisors (68616096672).

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

30003220320 is a wasteful number, since it uses less digits than its factorization.

30003220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717724 (or 2717716 counting only the distinct ones).

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

Adding to 30003220320 its reverse (2302230003), we get a palindrome (32305450323).

The spelling of 30003220320 in words is "thirty billion, three million, two hundred twenty thousand, three hundred twenty".