320135320452 has 24 divisors (see below), whose sum is σ = 747005379232. Its totient is φ = 106708492800.

The previous prime is 320135320447. The next prime is 320135320469. The reversal of 320135320452 is 254023531023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14052 + ... + 800292.

Almost surely, 2^320135320452 is an apocalyptic number.

It is an amenable number.

320135320452 is an abundant number, since it is smaller than the sum of its proper divisors (426870058780).

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

320135320452 is a wasteful number, since it uses less digits than its factorization.

320135320452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820179 (or 820177 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 320135320452 its reverse (254023531023), we get a palindrome (574158851475).

The spelling of 320135320452 in words is "three hundred twenty billion, one hundred thirty-five million, three hundred twenty thousand, four hundred fifty-two".