20194935 has 16 divisors (see below), whose sum is σ = 32404320. Its totient is φ = 10739840.

The previous prime is 20194931. The next prime is 20194957. The reversal of 20194935 is 53949102.

It is not a de Polignac number, because 20194935 - 2² = 20194931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20194896 and 20194905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20194931) 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 15 ways as a sum of consecutive naturals, for example, 4105 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (2025270).

Almost surely, 2^20194935 is an apocalyptic number.

20194935 is a deficient number, since it is larger than the sum of its proper divisors (12209385).

20194935 is a wasteful number, since it uses less digits than its factorization.

20194935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 20194935 is about 4493.8775016682. The cubic root of 20194935 is about 272.3208035450.

The spelling of 20194935 in words is "twenty million, one hundred ninety-four thousand, nine hundred thirty-five".