20122201143 has 96 divisors (see below), whose sum is σ = 33510041600. Its totient is φ = 11922007680.

The previous prime is 20122201109. The next prime is 20122201157. The reversal of 20122201143 is 34110222102.

It is a happy number.

It is not a de Polignac number, because 20122201143 - 2²⁰ = 20121152567 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 (20122201343) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33149946 + ... + 33150552.

Almost surely, 2^20122201143 is an apocalyptic number.

20122201143 is a deficient number, since it is larger than the sum of its proper divisors (13387840457).

20122201143 is a wasteful number, since it uses less digits than its factorization.

20122201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20122201143 its reverse (34110222102), we get a palindrome (54232423245).

The spelling of 20122201143 in words is "twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred forty-three".