20427876 has 60 divisors (see below), whose sum is σ = 61038208. Its totient is φ = 5835888.

The previous prime is 20427871. The next prime is 20427917. The reversal of 20427876 is 67872402.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20427876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20427871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2236 + ... + 6771.

Almost surely, 2^20427876 is an apocalyptic number.

It is an amenable number.

20427876 is an abundant number, since it is smaller than the sum of its proper divisors (40610332).

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

20427876 is a wasteful number, since it uses less digits than its factorization.

20427876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030 (or 9019 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 20427876 is about 4519.7207878363. The cubic root of 20427876 is about 273.3638428499.

The spelling of 20427876 in words is "twenty million, four hundred twenty-seven thousand, eight hundred seventy-six".