20142222203221 has 8 divisors (see below), whose sum is σ = 20147069030400. Its totient is φ = 20137375956432.

The previous prime is 20142222203107. The next prime is 20142222203263. The reversal of 20142222203221 is 12230222224102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20142222203221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142222203291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73727751 + ... + 74000443.

It is an arithmetic number, because the mean of its divisors is an integer number (2518383628800).

Almost surely, 2^{20142222203221} is an apocalyptic number.

It is an amenable number.

20142222203221 is a deficient number, since it is larger than the sum of its proper divisors (4846827179).

20142222203221 is a wasteful number, since it uses less digits than its factorization.

20142222203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290195.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20142222203221 its reverse (12230222224102), we get a palindrome (32372444427323).

The spelling of 20142222203221 in words is "twenty trillion, one hundred forty-two billion, two hundred twenty-two million, two hundred three thousand, two hundred twenty-one".