20194102 has 4 divisors (see below), whose sum is σ = 30291156. Its totient is φ = 10097050.

The previous prime is 20194081. The next prime is 20194123. The reversal of 20194102 is 20149102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20149102 = 2 ⋅10074551.

It is an interprime number because it is at equal distance from previous prime (20194081) and next prime (20194123).

It is a self number, because there is not a number n which added to its sum of digits gives 20194102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5048524 + ... + 5048527.

It is an arithmetic number, because the mean of its divisors is an integer number (7572789).

Almost surely, 2^20194102 is an apocalyptic number.

20194102 is a deficient number, since it is larger than the sum of its proper divisors (10097054).

20194102 is a wasteful number, since it uses less digits than its factorization.

20194102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097053.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 20194102 is about 4493.7848190584. The cubic root of 20194102 is about 272.3170592670.

The spelling of 20194102 in words is "twenty million, one hundred ninety-four thousand, one hundred two".