20226118 has 12 divisors (see below), whose sum is σ = 33348420. Its totient is φ = 9193580.

The previous prime is 20226113. The next prime is 20226119. The reversal of 20226118 is 81162202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41548 + ... + 42031.

It is an arithmetic number, because the mean of its divisors is an integer number (2779035).

Almost surely, 2^20226118 is an apocalyptic number.

20226118 is a deficient number, since it is larger than the sum of its proper divisors (13122302).

20226118 is a wasteful number, since it uses less digits than its factorization.

20226118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83603 (or 83592 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 20226118 is about 4497.3456616097. The cubic root of 20226118 is about 272.4608949861.

The spelling of 20226118 in words is "twenty million, two hundred twenty-six thousand, one hundred eighteen".