20142443520101 has 8 divisors (see below), whose sum is σ = 23335277033664. Its totient is φ = 17028445402080.

The previous prime is 20142443520049. The next prime is 20142443520167. The reversal of 20142443520101 is 10102534424102.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-20142443520101 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 (20142443520301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19708848335 + ... + 19708849356.

It is an arithmetic number, because the mean of its divisors is an integer number (2916909629208).

Almost surely, 2^{20142443520101} is an apocalyptic number.

It is an amenable number.

20142443520101 is a deficient number, since it is larger than the sum of its proper divisors (3192833513563).

20142443520101 is an equidigital number, since it uses as much as digits as its factorization.

20142443520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39417697771.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20142443520101 its reverse (10102534424102), we get a palindrome (30244977944203).

The spelling of 20142443520101 in words is "twenty trillion, one hundred forty-two billion, four hundred forty-three million, five hundred twenty thousand, one hundred one".