201243213330 has 32 divisors (see below), whose sum is σ = 508403908800. Its totient is φ = 50840390592.

The previous prime is 201243213289. The next prime is 201243213361. The reversal of 201243213330 is 33312342102.

It is a super-2 number, since 2×201243213330² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201243213330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176528565 + ... + 176529704.

It is an arithmetic number, because the mean of its divisors is an integer number (15887622150).

Almost surely, 2^201243213330 is an apocalyptic number.

201243213330 is an abundant number, since it is smaller than the sum of its proper divisors (307160695470).

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

201243213330 is a wasteful number, since it uses less digits than its factorization.

201243213330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353058298.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 201243213330 its reverse (33312342102), we get a palindrome (234555555432).

The spelling of 201243213330 in words is "two hundred one billion, two hundred forty-three million, two hundred thirteen thousand, three hundred thirty".