20628127 has 8 divisors (see below), whose sum is σ = 22528800. Its totient is φ = 18772320.

The previous prime is 20628103. The next prime is 20628137. The reversal of 20628127 is 72182602.

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 20628127 - 2¹¹ = 20626079 is a prime.

It is a super-3 number, since 3×20628127³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20628095 and 20628104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20628137) 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, 10252 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (2816100).

Almost surely, 2^20628127 is an apocalyptic number.

20628127 is a deficient number, since it is larger than the sum of its proper divisors (1900673).

20628127 is a wasteful number, since it uses less digits than its factorization.

20628127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22433.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20628127 is about 4541.8197894677. The cubic root of 20628127 is about 274.2541863072.

The spelling of 20628127 in words is "twenty million, six hundred twenty-eight thousand, one hundred twenty-seven".