320143004022 has 16 divisors (see below), whose sum is σ = 640350991872. Its totient is φ = 106703504040.

The previous prime is 320143003993. The next prime is 320143004023. The reversal of 320143004022 is 220400341023.

It is a self number, because there is not a number n which added to its sum of digits gives 320143004022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320143004023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643498 + ... + 2761949.

It is an arithmetic number, because the mean of its divisors is an integer number (40021936992).

Almost surely, 2^320143004022 is an apocalyptic number.

320143004022 is an abundant number, since it is smaller than the sum of its proper divisors (320207987850).

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

320143004022 is a wasteful number, since it uses less digits than its factorization.

320143004022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415323.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 320143004022 its reverse (220400341023), we get a palindrome (540543345045).

The spelling of 320143004022 in words is "three hundred twenty billion, one hundred forty-three million, four thousand, twenty-two".