20194882 has 4 divisors (see below), whose sum is σ = 30292326. Its totient is φ = 10097440.

The previous prime is 20194879. The next prime is 20194903. The reversal of 20194882 is 28849102.

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

It can be written as a sum of positive squares in only one way, i.e., 18481401 + 1713481 = 4299^2 + 1309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5048719 + ... + 5048722.

Almost surely, 2^20194882 is an apocalyptic number.

20194882 is a deficient number, since it is larger than the sum of its proper divisors (10097444).

20194882 is a wasteful number, since it uses less digits than its factorization.

20194882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097443.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 20194882 is about 4493.8716047524. The cubic root of 20194882 is about 272.3205653167.

The spelling of 20194882 in words is "twenty million, one hundred ninety-four thousand, eight hundred eighty-two".