20143022 has 8 divisors (see below), whose sum is σ = 31031256. Its totient is φ = 9799272.

The previous prime is 20143007. The next prime is 20143027. The reversal of 20143022 is 22034102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20142988 and 20143006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136028 + ... + 136175.

It is an arithmetic number, because the mean of its divisors is an integer number (3878907).

Almost surely, 2^20143022 is an apocalyptic number.

20143022 is a deficient number, since it is larger than the sum of its proper divisors (10888234).

20143022 is a wasteful number, since it uses less digits than its factorization.

20143022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272242.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20143022 is about 4488.0978153334. The cubic root of 20143022 is about 272.0872611461.

Adding to 20143022 its reverse (22034102), we get a palindrome (42177124).

The spelling of 20143022 in words is "twenty million, one hundred forty-three thousand, twenty-two".