320120155203222 has 24 divisors (see below), whose sum is σ = 703735217225208. Its totient is φ = 97006107637120.

The previous prime is 320120155203137. The next prime is 320120155203341. The reversal of 320120155203222 is 222302551021023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320120155203222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220468425723 + ... + 220468427174.

It is an arithmetic number, because the mean of its divisors is an integer number (29322300717717).

Almost surely, 2^{320120155203222} is an apocalyptic number.

320120155203222 is an abundant number, since it is smaller than the sum of its proper divisors (383615062021986).

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

320120155203222 is a wasteful number, since it uses less digits than its factorization.

320120155203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440936852924 (or 440936852913 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 320120155203222 in words is "three hundred twenty trillion, one hundred twenty billion, one hundred fifty-five million, two hundred three thousand, two hundred twenty-two".