320120213105224 has 48 divisors (see below), whose sum is σ = 734969877044400. Its totient is φ = 129973620355488.

The previous prime is 320120213105179. The next prime is 320120213105233. The reversal of 320120213105224 is 422501312021023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 320120213105192 and 320120213105201.

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, 21490339834 + ... + 21490354729.

It is an arithmetic number, because the mean of its divisors is an integer number (15311872438425).

Almost surely, 2^{320120213105224} is an apocalyptic number.

It is an amenable number.

320120213105224 is an abundant number, since it is smaller than the sum of its proper divisors (414849663939176).

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

320120213105224 is a wasteful number, since it uses less digits than its factorization.

320120213105224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42980694602 (or 42980694591 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 320120213105224 its reverse (422501312021023), we get a palindrome (742621525126247).

The spelling of 320120213105224 in words is "three hundred twenty trillion, one hundred twenty billion, two hundred thirteen million, one hundred five thousand, two hundred twenty-four".