20508120595219 has 4 divisors (see below), whose sum is σ = 20531504998144. Its totient is φ = 20484736192296.

The previous prime is 20508120595217. The next prime is 20508120595231. The reversal of 20508120595219 is 91259502180502.

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 20508120595219 - 2¹ = 20508120595217 is a prime.

It is a super-2 number, since 2×20508120595219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20508120595217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11692200147 + ... + 11692201900.

It is an arithmetic number, because the mean of its divisors is an integer number (5132876249536).

Almost surely, 2^{20508120595219} is an apocalyptic number.

20508120595219 is a deficient number, since it is larger than the sum of its proper divisors (23384402925).

20508120595219 is an equidigital number, since it uses as much as digits as its factorization.

20508120595219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23384402924.

The product of its (nonzero) digits is 648000, while the sum is 49.

The spelling of 20508120595219 in words is "twenty trillion, five hundred eight billion, one hundred twenty million, five hundred ninety-five thousand, two hundred nineteen".