20168422 has 8 divisors (see below), whose sum is σ = 30285072. Its totient is φ = 10073400.

The previous prime is 20168411. The next prime is 20168429. The reversal of 20168422 is 22486102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20168429) 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, 2829 + ... + 6952.

It is an arithmetic number, because the mean of its divisors is an integer number (3785634).

Almost surely, 2^20168422 is an apocalyptic number.

20168422 is a deficient number, since it is larger than the sum of its proper divisors (10116650).

20168422 is a wasteful number, since it uses less digits than its factorization.

20168422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10814.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20168422 is about 4490.9266304405. The cubic root of 20168422 is about 272.2015788748.

The spelling of 20168422 in words is "twenty million, one hundred sixty-eight thousand, four hundred twenty-two".