320102100452 has 24 divisors (see below), whose sum is σ = 563341167480. Its totient is φ = 159147694080.

The previous prime is 320102100443. The next prime is 320102100473. The reversal of 320102100452 is 254001201023.

It can be written as a sum of positive squares in 4 ways, for example, as 90136036 + 320011964416 = 9494^2 + 565696^2 .

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 7 ways as a sum of consecutive naturals, for example, 7477124 + ... + 7519812.

It is an arithmetic number, because the mean of its divisors is an integer number (23472548645).

Almost surely, 2^320102100452 is an apocalyptic number.

It is an amenable number.

320102100452 is a deficient number, since it is larger than the sum of its proper divisors (243239067028).

320102100452 is a wasteful number, since it uses less digits than its factorization.

320102100452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53231 (or 53229 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 320102100452 its reverse (254001201023), we get a palindrome (574103301475).

The spelling of 320102100452 in words is "three hundred twenty billion, one hundred two million, one hundred thousand, four hundred fifty-two".