320201144330 has 16 divisors (see below), whose sum is σ = 596236614120. Its totient is φ = 123663890112.

The previous prime is 320201144323. The next prime is 320201144357. The reversal of 320201144330 is 33441102023.

It can be written as a sum of positive squares in 4 ways, for example, as 213298956649 + 106902187681 = 461843^2 + 326959^2 .

It is a super-2 number, since 2×320201144330² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320201144296 and 320201144305.

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, 552070649 + ... + 552071228.

Almost surely, 2^320201144330 is an apocalyptic number.

320201144330 is a deficient number, since it is larger than the sum of its proper divisors (276035469790).

320201144330 is a wasteful number, since it uses less digits than its factorization.

320201144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104141913.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320201144330 its reverse (33441102023), we get a palindrome (353642246353).

The spelling of 320201144330 in words is "three hundred twenty billion, two hundred one million, one hundred forty-four thousand, three hundred thirty".