201042443330 has 16 divisors (see below), whose sum is σ = 364517834040. Its totient is φ = 79829991552.

The previous prime is 201042443323. The next prime is 201042443447. The reversal of 201042443330 is 33344240102.

It can be written as a sum of positive squares in 4 ways, for example, as 111128222881 + 89914220449 = 333359^2 + 299857^2 .

It is a super-2 number, since 2×201042443330² (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 201042443330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73371785 + ... + 73374524.

Almost surely, 2^201042443330 is an apocalyptic number.

201042443330 is a deficient number, since it is larger than the sum of its proper divisors (163475390710).

201042443330 is a wasteful number, since it uses less digits than its factorization.

201042443330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146746453.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 201042443330 its reverse (33344240102), we get a palindrome (234386683432).

The spelling of 201042443330 in words is "two hundred one billion, forty-two million, four hundred forty-three thousand, three hundred thirty".