320534532004 has 6 divisors (see below), whose sum is σ = 560935431014. Its totient is φ = 160267266000.

The previous prime is 320534531971. The next prime is 320534532037. The reversal of 320534532004 is 400235435023.

It is an interprime number because it is at equal distance from previous prime (320534531971) and next prime (320534532037).

It can be written as a sum of positive squares in only one way, i.e., 261276367104 + 59258164900 = 511152^2 + 243430^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40066816497 + ... + 40066816504.

Almost surely, 2^320534532004 is an apocalyptic number.

It is an amenable number.

320534532004 is a deficient number, since it is larger than the sum of its proper divisors (240400899010).

320534532004 is a wasteful number, since it uses less digits than its factorization.

320534532004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80133633005 (or 80133633003 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 320534532004 its reverse (400235435023), we get a palindrome (720769967027).

The spelling of 320534532004 in words is "three hundred twenty billion, five hundred thirty-four million, five hundred thirty-two thousand, four".