320133342402 has 48 divisors (see below), whose sum is σ = 724559696640. Its totient is φ = 101961505536.

The previous prime is 320133342349. The next prime is 320133342407. The reversal of 320133342402 is 204243331023.

320133342402 is a `hidden beast` number, since 3 + 201 + 3 + 33 + 424 + 0 + 2 = 666.

It is a super-2 number, since 2×320133342402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320133342407) 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 23 ways as a sum of consecutive naturals, for example, 31578 + ... + 800789.

It is an arithmetic number, because the mean of its divisors is an integer number (15094993680).

Almost surely, 2^320133342402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320133342402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362279848320).

320133342402 is an abundant number, since it is smaller than the sum of its proper divisors (404426354238).

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

320133342402 is a wasteful number, since it uses less digits than its factorization.

320133342402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833327 (or 833324 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 320133342402 its reverse (204243331023), we get a palindrome (524376673425).

The spelling of 320133342402 in words is "three hundred twenty billion, one hundred thirty-three million, three hundred forty-two thousand, four hundred two".