201204240434 has 16 divisors (see below), whose sum is σ = 306173374848. Its totient is φ = 99155994672.

The previous prime is 201204240421. The next prime is 201204240451. The reversal of 201204240434 is 434042402102.

It is a happy number.

It is a Curzon number.

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, 2344154 + ... + 2428469.

It is an arithmetic number, because the mean of its divisors is an integer number (19135835928).

Almost surely, 2^201204240434 is an apocalyptic number.

201204240434 is a deficient number, since it is larger than the sum of its proper divisors (104969134414).

201204240434 is a wasteful number, since it uses less digits than its factorization.

201204240434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772929.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 201204240434 its reverse (434042402102), we get a palindrome (635246642536).

The spelling of 201204240434 in words is "two hundred one billion, two hundred four million, two hundred forty thousand, four hundred thirty-four".