30303013020 has 96 divisors (see below), whose sum is σ = 97022016000. Its totient is φ = 6922662144.

The previous prime is 30303012947. The next prime is 30303013049. The reversal of 30303013020 is 2031030303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800071 + ... + 837089.

It is an arithmetic number, because the mean of its divisors is an integer number (1010646000).

Almost surely, 2^30303013020 is an apocalyptic number.

30303013020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30303013020 is an abundant number, since it is smaller than the sum of its proper divisors (66719002980).

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

30303013020 is a wasteful number, since it uses less digits than its factorization.

30303013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38987 (or 38985 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 30303013020 its reverse (2031030303), we get a palindrome (32334043323).

The spelling of 30303013020 in words is "thirty billion, three hundred three million, thirteen thousand, twenty".