1030820447 has 4 divisors (see below), whose sum is σ = 1048292040. Its totient is φ = 1013348856.

The previous prime is 1030820437. The next prime is 1030820473. The reversal of 1030820447 is 7440280301.

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 1030820447 - 2⁴ = 1030820431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030820437) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8735708 + ... + 8735825.

It is an arithmetic number, because the mean of its divisors is an integer number (262073010).

Almost surely, 2^1030820447 is an apocalyptic number.

1030820447 is a deficient number, since it is larger than the sum of its proper divisors (17471593).

1030820447 is an equidigital number, since it uses as much as digits as its factorization.

1030820447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17471592.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1030820447 is about 32106.3926189163. The cubic root of 1030820447 is about 1010.1697087632.

The spelling of 1030820447 in words is "one billion, thirty million, eight hundred twenty thousand, four hundred forty-seven".