30052320140 has 24 divisors (see below), whose sum is σ = 66431445360. Its totient is φ = 11388247488.

The previous prime is 30052320139. The next prime is 30052320161. The reversal of 30052320140 is 4102325003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 39542147 + ... + 39542906.

It is an arithmetic number, because the mean of its divisors is an integer number (2767976890).

Almost surely, 2^30052320140 is an apocalyptic number.

It is an amenable number.

30052320140 is an abundant number, since it is smaller than the sum of its proper divisors (36379125220).

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

30052320140 is a wasteful number, since it uses less digits than its factorization.

30052320140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79085081 (or 79085079 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 30052320140 its reverse (4102325003), we get a palindrome (34154645143).

The spelling of 30052320140 in words is "thirty billion, fifty-two million, three hundred twenty thousand, one hundred forty".