2020194 has 64 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 576720.

The previous prime is 2020181. The next prime is 2020223. The reversal of 2020194 is 4910202.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11197 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^2020194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592000).

2020194 is an abundant number, since it is smaller than the sum of its proper divisors (3163806).

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

2020194 is a wasteful number, since it uses less digits than its factorization.

2020194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2020194 is about 1421.3352876785. The cubic root of 2020194 is about 126.4147331675.

Adding to 2020194 its reverse (4910202), we get a palindrome (6930396).

The spelling of 2020194 in words is "two million, twenty thousand, one hundred ninety-four".