30103003020 has 72 divisors (see below), whose sum is σ = 88958190384. Its totient is φ = 7604963712.

The previous prime is 30103002967. The next prime is 30103003031. The reversal of 30103003020 is 2030030103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30103002987 and 30103003005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673239 + ... + 716558.

It is an arithmetic number, because the mean of its divisors is an integer number (1235530422).

Almost surely, 2^30103003020 is an apocalyptic number.

30103003020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30103003020 is an abundant number, since it is smaller than the sum of its proper divisors (58855187364).

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

30103003020 is a wasteful number, since it uses less digits than its factorization.

30103003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389847 (or 1389826 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 30103003020 its reverse (2030030103), we get a palindrome (32133033123).

The spelling of 30103003020 in words is "thirty billion, one hundred three million, three thousand, twenty".