30020256364447 has 4 divisors (see below), whose sum is σ = 30020282860176. Its totient is φ = 30020229868720.

The previous prime is 30020256364411. The next prime is 30020256364523. The reversal of 30020256364447 is 74446365202003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30020256364447 - 2³⁵ = 29985896626079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30020256364397 and 30020256364406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020256304447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11468683 + ... + 13840924.

It is an arithmetic number, because the mean of its divisors is an integer number (7505070715044).

Almost surely, 2^{30020256364447} is an apocalyptic number.

30020256364447 is a deficient number, since it is larger than the sum of its proper divisors (26495729).

30020256364447 is a wasteful number, since it uses less digits than its factorization.

30020256364447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26495728.

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 30020256364447 in words is "thirty trillion, twenty billion, two hundred fifty-six million, three hundred sixty-four thousand, four hundred forty-seven".