20127726 has 48 divisors (see below), whose sum is σ = 46285200. Its totient is φ = 6303744.

The previous prime is 20127713. The next prime is 20127727. The reversal of 20127726 is 62772102.

It is a self number, because there is not a number n which added to its sum of digits gives 20127726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78190 + ... + 78446.

It is an arithmetic number, because the mean of its divisors is an integer number (964275).

Almost surely, 2^20127726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20127726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23142600).

20127726 is an abundant number, since it is smaller than the sum of its proper divisors (26157474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20127726 is a wasteful number, since it uses less digits than its factorization.

20127726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20127726 is about 4486.3934290251. The cubic root of 20127726 is about 272.0183721010.

Adding to 20127726 its reverse (62772102), we get a palindrome (82899828).

The spelling of 20127726 in words is "twenty million, one hundred twenty-seven thousand, seven hundred twenty-six".