20194959 has 8 divisors (see below), whose sum is σ = 27077760. Its totient is φ = 13387736.

The previous prime is 20194957. The next prime is 20194969. The reversal of 20194959 is 95949102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20194959 - 2¹ = 20194957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20194957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18267 + ... + 19340.

It is an arithmetic number, because the mean of its divisors is an integer number (3384720).

Almost surely, 2^20194959 is an apocalyptic number.

20194959 is a deficient number, since it is larger than the sum of its proper divisors (6882801).

20194959 is a wasteful number, since it uses less digits than its factorization.

20194959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37789.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 20194959 is about 4493.8801719672. The cubic root of 20194959 is about 272.3209114218.

The spelling of 20194959 in words is "twenty million, one hundred ninety-four thousand, nine hundred fifty-nine".