20342195 has 16 divisors (see below), whose sum is σ = 25738560. Its totient is φ = 15410304.

The previous prime is 20342177. The next prime is 20342209. The reversal of 20342195 is 59124302.

It is a cyclic number.

It is not a de Polignac number, because 20342195 - 2⁶ = 20342131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6362 + ... + 9008.

It is an arithmetic number, because the mean of its divisors is an integer number (1608660).

Almost surely, 2^20342195 is an apocalyptic number.

20342195 is a deficient number, since it is larger than the sum of its proper divisors (5396365).

20342195 is a wasteful number, since it uses less digits than its factorization.

20342195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20342195 is about 4510.2322556605. The cubic root of 20342195 is about 272.9811156639.

Adding to 20342195 its reverse (59124302), we get a palindrome (79466497).

The spelling of 20342195 in words is "twenty million, three hundred forty-two thousand, one hundred ninety-five".