320750839922 has 18 divisors (see below), whose sum is σ = 511114298247. Its totient is φ = 150935164224.

The previous prime is 320750839891. The next prime is 320750839931. The reversal of 320750839922 is 229938057023.

It can be written as a sum of positive squares in 5 ways, for example, as 35978123041 + 284772716881 = 189679^2 + 533641^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=400469.

It is a super-2 number, since 2×320750839922² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13604168 + ... + 13627724.

Almost surely, 2^320750839922 is an apocalyptic number.

320750839922 is a deficient number, since it is larger than the sum of its proper divisors (190363458325).

320750839922 is an frugal number, since it uses more digits than its factorization.

320750839922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47150 (or 23576 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

Multiplying 320750839922 by its sum of digits (50), we get a square (16037541996100 = 4004690²).

The spelling of 320750839922 in words is "three hundred twenty billion, seven hundred fifty million, eight hundred thirty-nine thousand, nine hundred twenty-two".