20347980095 has 4 divisors (see below), whose sum is σ = 24417576120. Its totient is φ = 16278384072.

The previous prime is 20347980089. The next prime is 20347980139. The reversal of 20347980095 is 59008974302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20347980095 - 2¹⁴ = 20347963711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034798005 + ... + 2034798014.

It is an arithmetic number, because the mean of its divisors is an integer number (6104394030).

Almost surely, 2^20347980095 is an apocalyptic number.

20347980095 is a deficient number, since it is larger than the sum of its proper divisors (4069596025).

20347980095 is an equidigital number, since it uses as much as digits as its factorization.

20347980095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069596024.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 20347980095 in words is "twenty billion, three hundred forty-seven million, nine hundred eighty thousand, ninety-five".