320200303434 has 64 divisors (see below), whose sum is σ = 706847955840. Its totient is φ = 95891040000.

The previous prime is 320200303391. The next prime is 320200303477. The reversal of 320200303434 is 434303002023.

It is an interprime number because it is at equal distance from previous prime (320200303391) and next prime (320200303477).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3561912 + ... + 3650700.

It is an arithmetic number, because the mean of its divisors is an integer number (11044499310).

Almost surely, 2^320200303434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320200303434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353423977920).

320200303434 is an abundant number, since it is smaller than the sum of its proper divisors (386647652406).

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

320200303434 is a wasteful number, since it uses less digits than its factorization.

320200303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89447.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 320200303434 its reverse (434303002023), we get a palindrome (754503305457).

The spelling of 320200303434 in words is "three hundred twenty billion, two hundred million, three hundred three thousand, four hundred thirty-four".