20422100143 has 8 divisors (see below), whose sum is σ = 21051539712. Its totient is φ = 19800782616.

The previous prime is 20422100141. The next prime is 20422100191. The reversal of 20422100143 is 34100122402.

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

It is a cyclic number.

It is not a de Polignac number, because 20422100143 - 2¹ = 20422100141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20422100143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422100141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025405 + ... + 2035462.

It is an arithmetic number, because the mean of its divisors is an integer number (2631442464).

Almost surely, 2^20422100143 is an apocalyptic number.

20422100143 is a deficient number, since it is larger than the sum of its proper divisors (629439569).

20422100143 is a wasteful number, since it uses less digits than its factorization.

20422100143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061021.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20422100143 its reverse (34100122402), we get a palindrome (54522222545).

The spelling of 20422100143 in words is "twenty billion, four hundred twenty-two million, one hundred thousand, one hundred forty-three".