20434195 has 8 divisors (see below), whose sum is σ = 25119360. Its totient is φ = 15948480.

The previous prime is 20434181. The next prime is 20434223. The reversal of 20434195 is 59143402.

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

It is not a de Polignac number, because 20434195 - 2⁵ = 20434163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49635 + ... + 50044.

It is an arithmetic number, because the mean of its divisors is an integer number (3139920).

Almost surely, 2^20434195 is an apocalyptic number.

20434195 is a deficient number, since it is larger than the sum of its proper divisors (4685165).

20434195 is an equidigital number, since it uses as much as digits as its factorization.

20434195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99725.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20434195 is about 4520.4197813920. The cubic root of 20434195 is about 273.3920266912.

Adding to 20434195 its reverse (59143402), we get a palindrome (79577597).

The spelling of 20434195 in words is "twenty million, four hundred thirty-four thousand, one hundred ninety-five".