201323020330 has 16 divisors (see below), whose sum is σ = 362702432520. Its totient is φ = 80457875712.

The previous prime is 201323020321. The next prime is 201323020343. The reversal of 201323020330 is 33020323102.

It is a happy number.

201323020330 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131878648801 + 69444371529 = 363151^2 + 263523^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201323020298 and 201323020307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8904699 + ... + 8927278.

Almost surely, 2^201323020330 is an apocalyptic number.

201323020330 is a deficient number, since it is larger than the sum of its proper divisors (161379412190).

201323020330 is a wasteful number, since it uses less digits than its factorization.

201323020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17833113.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 201323020330 its reverse (33020323102), we get a palindrome (234343343432).

The spelling of 201323020330 in words is "two hundred one billion, three hundred twenty-three million, twenty thousand, three hundred thirty".