30520356196 has 24 divisors (see below), whose sum is σ = 58272056640. Its totient is φ = 13871479200.

The previous prime is 30520356193. The next prime is 30520356221. The reversal of 30520356196 is 69165302503.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30520356193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 490785 + ... + 549463.

It is an arithmetic number, because the mean of its divisors is an integer number (2428002360).

Almost surely, 2^30520356196 is an apocalyptic number.

It is an amenable number.

30520356196 is a deficient number, since it is larger than the sum of its proper divisors (27751700444).

30520356196 is a wasteful number, since it uses less digits than its factorization.

30520356196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70515 (or 70513 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

Adding to 30520356196 its reverse (69165302503), we get a palindrome (99685658699).

The spelling of 30520356196 in words is "thirty billion, five hundred twenty million, three hundred fifty-six thousand, one hundred ninety-six".