201032420144 has 20 divisors (see below), whose sum is σ = 389554314696. Its totient is φ = 100502274432.

The previous prime is 201032420117. The next prime is 201032420231. The reversal of 201032420144 is 441024230102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751469 + ... + 983244.

Almost surely, 2^201032420144 is an apocalyptic number.

It is an amenable number.

201032420144 is a deficient number, since it is larger than the sum of its proper divisors (188521894552).

201032420144 is a wasteful number, since it uses less digits than its factorization.

201032420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741964 (or 1741958 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 201032420144 its reverse (441024230102), we get a palindrome (642056650246).

The spelling of 201032420144 in words is "two hundred one billion, thirty-two million, four hundred twenty thousand, one hundred forty-four".