20071888319 has 8 divisors (see below), whose sum is σ = 22950404640. Its totient is φ = 17196147936.

The previous prime is 20071888283. The next prime is 20071888327. The reversal of 20071888319 is 91388817002.

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 20071888319 - 2¹² = 20071884223 is a prime.

It is a super-2 number, since 2×20071888319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20071888379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 678464 + ... + 707429.

It is an arithmetic number, because the mean of its divisors is an integer number (2868800580).

Almost surely, 2^20071888319 is an apocalyptic number.

20071888319 is a deficient number, since it is larger than the sum of its proper divisors (2878516321).

20071888319 is a wasteful number, since it uses less digits than its factorization.

20071888319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387969.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 20071888319 in words is "twenty billion, seventy-one million, eight hundred eighty-eight thousand, three hundred nineteen".