320103230103220 has 24 divisors (see below), whose sum is σ = 672315161490504. Its totient is φ = 128022553322496.

The previous prime is 320103230103143. The next prime is 320103230103271. The reversal of 320103230103220 is 22301032301023.

It can be written as a sum of positive squares in 4 ways, for example, as 7222957253136 + 312880272850084 = 2687556^2 + 17688422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320103230103191 and 320103230103200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171029849 + ... + 1171303168.

It is an arithmetic number, because the mean of its divisors is an integer number (28013131728771).

Almost surely, 2^{320103230103220} is an apocalyptic number.

It is an amenable number.

320103230103220 is an abundant number, since it is smaller than the sum of its proper divisors (352211931387284).

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

320103230103220 is a wasteful number, since it uses less digits than its factorization.

320103230103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342339859 (or 2342339857 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 320103230103220 its reverse (22301032301023), we get a palindrome (342404262404243).

The spelling of 320103230103220 in words is "three hundred twenty trillion, one hundred three billion, two hundred thirty million, one hundred three thousand, two hundred twenty".