243201020330 has 16 divisors (see below), whose sum is σ = 437793988104. Its totient is φ = 97273263360.

The previous prime is 243201020311. The next prime is 243201020333. The reversal of 243201020330 is 33020102342.

It can be written as a sum of positive squares in 4 ways, for example, as 133999191481 + 109201828849 = 366059^2 + 330457^2 .

It is not an unprimeable number, because it can be changed into a prime (243201020333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749027 + ... + 1023446.

Almost surely, 2^243201020330 is an apocalyptic number.

243201020330 is a deficient number, since it is larger than the sum of its proper divisors (194592967774).

243201020330 is a wasteful number, since it uses less digits than its factorization.

243201020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786201.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 243201020330 its reverse (33020102342), we get a palindrome (276221122672).

The spelling of 243201020330 in words is "two hundred forty-three billion, two hundred one million, twenty thousand, three hundred thirty".