20159795 has 8 divisors (see below), whose sum is σ = 24220896. Its totient is φ = 16108416.

The previous prime is 20159771. The next prime is 20159809. The reversal of 20159795 is 59795102.

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

It is a cyclic number.

It is not a de Polignac number, because 20159795 - 2¹² = 20155699 is a prime.

It is a Duffinian number.

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, 3419 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (3027612).

Almost surely, 2^20159795 is an apocalyptic number.

20159795 is a deficient number, since it is larger than the sum of its proper divisors (4061101).

20159795 is a wasteful number, since it uses less digits than its factorization.

20159795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 20159795 is about 4489.9660355063. The cubic root of 20159795 is about 272.1627621225.

The spelling of 20159795 in words is "twenty million, one hundred fifty-nine thousand, seven hundred ninety-five".