20719600312319 has 8 divisors (see below), whose sum is σ = 20729006650272. Its totient is φ = 20710195400160.

The previous prime is 20719600312289. The next prime is 20719600312399. The reversal of 20719600312319 is 91321300691702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20719600312319 - 2²⁰ = 20719599263743 is a prime.

It is a super-2 number, since 2×20719600312319² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20719600312319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20719600312399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29271137 + ... + 29970629.

It is an arithmetic number, because the mean of its divisors is an integer number (2591125831284).

Almost surely, 2^{20719600312319} is an apocalyptic number.

20719600312319 is a deficient number, since it is larger than the sum of its proper divisors (9406337953).

20719600312319 is a wasteful number, since it uses less digits than its factorization.

20719600312319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712897.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 20719600312319 in words is "twenty trillion, seven hundred nineteen billion, six hundred million, three hundred twelve thousand, three hundred nineteen".