20110194 has 56 divisors (see below), whose sum is σ = 48752172. Its totient is φ = 6181920.

The previous prime is 20110183. The next prime is 20110217. The reversal of 20110194 is 49101102.

It can be written as a sum of positive squares in 2 ways, for example, as 19847025 + 263169 = 4455^2 + 513^2 .

It is a super-3 number, since 3×20110194³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18424 + ... + 19484.

Almost surely, 2^20110194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24376086).

20110194 is an abundant number, since it is smaller than the sum of its proper divisors (28641978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110194 is a wasteful number, since it uses less digits than its factorization.

20110194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 20110194 is about 4484.4390953608. The cubic root of 20110194 is about 271.9393697763.

Adding to 20110194 its reverse (49101102), we get a palindrome (69211296).

The spelling of 20110194 in words is "twenty million, one hundred ten thousand, one hundred ninety-four".