20040022143 has 24 divisors (see below), whose sum is σ = 29366064000. Its totient is φ = 13166611920.

The previous prime is 20040022141. The next prime is 20040022147. The reversal of 20040022143 is 34122004002.

20040022143 is a `hidden beast` number, since 2 + 0 + 0 + 400 + 221 + 43 = 666.

It is not a de Polignac number, because 20040022143 - 2¹ = 20040022141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040022141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2231380 + ... + 2240342.

It is an arithmetic number, because the mean of its divisors is an integer number (1223586000).

Almost surely, 2^20040022143 is an apocalyptic number.

20040022143 is a deficient number, since it is larger than the sum of its proper divisors (9326041857).

20040022143 is a wasteful number, since it uses less digits than its factorization.

20040022143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12539 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20040022143 its reverse (34122004002), we get a palindrome (54162026145).

The spelling of 20040022143 in words is "twenty billion, forty million, twenty-two thousand, one hundred forty-three".