20216127 has 8 divisors (see below), whose sum is σ = 27001264. Its totient is φ = 13454208.

The previous prime is 20216099. The next prime is 20216137. The reversal of 20216127 is 72161202.

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

It is not a de Polignac number, because 20216127 - 2¹⁰ = 20215103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20216137) 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, 3658 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (3375158).

Almost surely, 2^20216127 is an apocalyptic number.

20216127 is a deficient number, since it is larger than the sum of its proper divisors (6785137).

20216127 is a wasteful number, since it uses less digits than its factorization.

20216127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11609.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20216127 is about 4496.2347581059. The cubic root of 20216127 is about 272.4160255234.

Adding to 20216127 its reverse (72161202), we get a palindrome (92377329).

The spelling of 20216127 in words is "twenty million, two hundred sixteen thousand, one hundred twenty-seven".