20512193095 has 4 divisors (see below), whose sum is σ = 24614631720. Its totient is φ = 16409754472.

The previous prime is 20512193077. The next prime is 20512193111. The reversal of 20512193095 is 59039121502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59039121502 = 2 ⋅29519560751.

It is a cyclic number.

It is not a de Polignac number, because 20512193095 - 2⁹ = 20512192583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051219305 + ... + 2051219314.

It is an arithmetic number, because the mean of its divisors is an integer number (6153657930).

Almost surely, 2^20512193095 is an apocalyptic number.

20512193095 is a deficient number, since it is larger than the sum of its proper divisors (4102438625).

20512193095 is an equidigital number, since it uses as much as digits as its factorization.

20512193095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102438624.

The product of its (nonzero) digits is 24300, while the sum is 37.

The spelling of 20512193095 in words is "twenty billion, five hundred twelve million, one hundred ninety-three thousand, ninety-five".