20110022 has 4 divisors (see below), whose sum is σ = 30165036. Its totient is φ = 10055010.

The previous prime is 20109989. The next prime is 20110043. The reversal of 20110022 is 22001102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20109991 and 20110009.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5027504 + ... + 5027507.

It is an arithmetic number, because the mean of its divisors is an integer number (7541259).

Almost surely, 2^20110022 is an apocalyptic number.

20110022 is a deficient number, since it is larger than the sum of its proper divisors (10055014).

20110022 is a wasteful number, since it uses less digits than its factorization.

20110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055013.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 20110022 is about 4484.4199178935. The cubic root of 20110022 is about 271.9385944862.

Adding to 20110022 its reverse (22001102), we get a palindrome (42111124).

The spelling of 20110022 in words is "twenty million, one hundred ten thousand, twenty-two".