20648127 has 16 divisors (see below), whose sum is σ = 28603520. Its totient is φ = 13239072.

The previous prime is 20648119. The next prime is 20648141. The reversal of 20648127 is 72184602.

It is not a de Polignac number, because 20648127 - 2³ = 20648119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20648094 and 20648103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20648167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7449 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (1787720).

Almost surely, 2^20648127 is an apocalyptic number.

20648127 is a deficient number, since it is larger than the sum of its proper divisors (7955393).

20648127 is a wasteful number, since it uses less digits than its factorization.

20648127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 20648127 is about 4544.0210166767. The cubic root of 20648127 is about 274.3427920572.

The spelling of 20648127 in words is "twenty million, six hundred forty-eight thousand, one hundred twenty-seven".