4421020194 has 24 divisors (see below), whose sum is σ = 9585636060. Its totient is φ = 1472633568.

The previous prime is 4421020193. The next prime is 4421020211. The reversal of 4421020194 is 4910201244.

It is a happy number.

4421020194 is a `hidden beast` number, since 442 + 10 + 20 + 194 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4271276025 + 149744169 = 65355^2 + 12237^2 .

It is not an unprimeable number, because it can be changed into a prime (4421020193) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 60217 + ... + 111660.

Almost surely, 2^4421020194 is an apocalyptic number.

4421020194 is an abundant number, since it is smaller than the sum of its proper divisors (5164615866).

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

4421020194 is a wasteful number, since it uses less digits than its factorization.

4421020194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173314 (or 173311 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4421020194 is about 66490.7526953937. The cubic root of 4421020194 is about 1641.2478350143.

The spelling of 4421020194 in words is "four billion, four hundred twenty-one million, twenty thousand, one hundred ninety-four".