20269116571 has 8 divisors (see below), whose sum is σ = 23275540800. Its totient is φ = 17456655240.

The previous prime is 20269116499. The next prime is 20269116599. The reversal of 20269116571 is 17561196202.

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 20269116571 - 2¹⁹ = 20268592283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20269116071) 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, 48490501 + ... + 48490918.

It is an arithmetic number, because the mean of its divisors is an integer number (2909442600).

Almost surely, 2^20269116571 is an apocalyptic number.

20269116571 is a deficient number, since it is larger than the sum of its proper divisors (3006424229).

20269116571 is a wasteful number, since it uses less digits than its factorization.

20269116571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96981449.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 20269116571 in words is "twenty billion, two hundred sixty-nine million, one hundred sixteen thousand, five hundred seventy-one".