20879195 has 16 divisors (see below), whose sum is σ = 26503680. Its totient is φ = 15746400.

The previous prime is 20879167. The next prime is 20879203. The reversal of 20879195 is 59197802.

It is not a de Polignac number, because 20879195 - 2⁸ = 20878939 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, 25340 + ... + 26150.

It is an arithmetic number, because the mean of its divisors is an integer number (1656480).

Almost surely, 2^20879195 is an apocalyptic number.

20879195 is a deficient number, since it is larger than the sum of its proper divisors (5624485).

20879195 is a wasteful number, since it uses less digits than its factorization.

20879195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 20879195 is about 4569.3757779373. The cubic root of 20879195 is about 275.3623652797.

The spelling of 20879195 in words is "twenty million, eight hundred seventy-nine thousand, one hundred ninety-five".