30323020 has 48 divisors (see below), whose sum is σ = 78378048. Its totient is φ = 9596160.

The previous prime is 30323011. The next prime is 30323057. The reversal of 30323020 is 2032303.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

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, 6511 + ... + 10150.

It is an arithmetic number, because the mean of its divisors is an integer number (1632876).

Almost surely, 2^30323020 is an apocalyptic number.

It is an amenable number.

30323020 is an abundant number, since it is smaller than the sum of its proper divisors (48055028).

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

30323020 is a wasteful number, since it uses less digits than its factorization.

30323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690 (or 16688 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 30323020 is about 5506.6341806951. The cubic root of 30323020 is about 311.8344919898.

Adding to 30323020 its reverse (2032303), we get a palindrome (32355323).

The spelling of 30323020 in words is "thirty million, three hundred twenty-three thousand, twenty".