201020224042 has 32 divisors (see below), whose sum is σ = 333202222080. Its totient is φ = 90190155120.

The previous prime is 201020224001. The next prime is 201020224057. The reversal of 201020224042 is 240422020102.

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, 6803433 + ... + 6832915.

It is an arithmetic number, because the mean of its divisors is an integer number (10412569440).

Almost surely, 2^201020224042 is an apocalyptic number.

201020224042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201020224042 is a deficient number, since it is larger than the sum of its proper divisors (132181998038).

201020224042 is a wasteful number, since it uses less digits than its factorization.

201020224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33498.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 201020224042 its reverse (240422020102), we get a palindrome (441442244144).

The spelling of 201020224042 in words is "two hundred one billion, twenty million, two hundred twenty-four thousand, forty-two".