20172079095 has 16 divisors (see below), whose sum is σ = 36886087680. Its totient is φ = 9221521824.

The previous prime is 20172079073. The next prime is 20172079097. The reversal of 20172079095 is 59097027102.

It is not a de Polignac number, because 20172079095 - 2⁵ = 20172079063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20172079097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96057415 + ... + 96057624.

It is an arithmetic number, because the mean of its divisors is an integer number (2305380480).

Almost surely, 2^20172079095 is an apocalyptic number.

20172079095 is a deficient number, since it is larger than the sum of its proper divisors (16714008585).

20172079095 is a wasteful number, since it uses less digits than its factorization.

20172079095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192115054.

The product of its (nonzero) digits is 79380, while the sum is 42.

The spelling of 20172079095 in words is "twenty billion, one hundred seventy-two million, seventy-nine thousand, ninety-five".