20189488027019 has 8 divisors (see below), whose sum is σ = 21984923442000. Its totient is φ = 18467335690272.

The previous prime is 20189488026997. The next prime is 20189488027061. The reversal of 20189488027019 is 91072088498102.

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 20189488027019 - 2⁴⁰ = 19089976399243 is a prime.

It is a super-2 number, since 2×20189488027019² (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 (20189488027069) 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, 18320768984 + ... + 18320770085.

It is an arithmetic number, because the mean of its divisors is an integer number (2748115430250).

Almost surely, 2^{20189488027019} is an apocalyptic number.

20189488027019 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20189488027019 is a deficient number, since it is larger than the sum of its proper divisors (1795435414981).

20189488027019 is a wasteful number, since it uses less digits than its factorization.

20189488027019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36641539117.

The product of its (nonzero) digits is 4644864, while the sum is 59.

The spelling of 20189488027019 in words is "twenty trillion, one hundred eighty-nine billion, four hundred eighty-eight million, twenty-seven thousand, nineteen".