20142240444101 has 16 divisors (see below), whose sum is σ = 20363315671296. Its totient is φ = 19921664762496.

The previous prime is 20142240444097. The next prime is 20142240444103. The reversal of 20142240444101 is 10144404224102.

It is a cyclic number.

It is not a de Polignac number, because 20142240444101 - 2² = 20142240444097 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 (20142240444103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551929811 + ... + 551966303.

It is an arithmetic number, because the mean of its divisors is an integer number (1272707229456).

Almost surely, 2^{20142240444101} is an apocalyptic number.

It is an amenable number.

20142240444101 is a deficient number, since it is larger than the sum of its proper divisors (221075227195).

20142240444101 is a wasteful number, since it uses less digits than its factorization.

20142240444101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43172.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 20142240444101 its reverse (10144404224102), we get a palindrome (30286644668203).

The spelling of 20142240444101 in words is "twenty trillion, one hundred forty-two billion, two hundred forty million, four hundred forty-four thousand, one hundred one".