20192271 has 8 divisors (see below), whose sum is σ = 29370624. Its totient is φ = 12237720.

The previous prime is 20192257. The next prime is 20192279. The reversal of 20192271 is 17229102.

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

It is not a de Polignac number, because 20192271 - 2¹³ = 20184079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20192279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305911 + ... + 305976.

It is an arithmetic number, because the mean of its divisors is an integer number (3671328).

Almost surely, 2^20192271 is an apocalyptic number.

20192271 is a deficient number, since it is larger than the sum of its proper divisors (9178353).

20192271 is a wasteful number, since it uses less digits than its factorization.

20192271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611901.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 20192271 is about 4493.5810886196. The cubic root of 20192271 is about 272.3088286856.

It can be divided in two parts, 20 and 192271, that added together give a palindrome (192291).

The spelling of 20192271 in words is "twenty million, one hundred ninety-two thousand, two hundred seventy-one".