201244055242 has 16 divisors (see below), whose sum is σ = 302418047232. Its totient is φ = 100438100640.

The previous prime is 201244055219. The next prime is 201244055273. The reversal of 201244055242 is 242550442102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8876373 + ... + 8899015.

It is an arithmetic number, because the mean of its divisors is an integer number (18901127952).

Almost surely, 2^201244055242 is an apocalyptic number.

201244055242 is a deficient number, since it is larger than the sum of its proper divisors (101173991990).

201244055242 is a wasteful number, since it uses less digits than its factorization.

201244055242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30573.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 201244055242 its reverse (242550442102), we get a palindrome (443794497344).

The spelling of 201244055242 in words is "two hundred one billion, two hundred forty-four million, fifty-five thousand, two hundred forty-two".