20395193 has 16 divisors (see below), whose sum is σ = 25428480. Its totient is φ = 15926976.

The previous prime is 20395187. The next prime is 20395217. The reversal of 20395193 is 39159302.

It is not a de Polignac number, because 20395193 - 2⁶ = 20395129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20395183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5771 + ... + 8607.

It is an arithmetic number, because the mean of its divisors is an integer number (1589280).

Almost surely, 2^20395193 is an apocalyptic number.

It is an amenable number.

20395193 is a deficient number, since it is larger than the sum of its proper divisors (5033287).

20395193 is a wasteful number, since it uses less digits than its factorization.

20395193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 20395193 is about 4516.1037410582. The cubic root of 20395193 is about 273.2179781262.

The spelling of 20395193 in words is "twenty million, three hundred ninety-five thousand, one hundred ninety-three".