20786112 has 112 divisors (see below), whose sum is σ = 63886080. Its totient is φ = 6614784.

The previous prime is 20786111. The next prime is 20786131. The reversal of 20786112 is 21168702.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20786111) 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, 39483 + ... + 40005.

Almost surely, 2^20786112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20786112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31943040).

20786112 is an abundant number, since it is smaller than the sum of its proper divisors (43099968).

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

20786112 is a wasteful number, since it uses less digits than its factorization.

20786112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 20786112 is about 4559.1788734376. The cubic root of 20786112 is about 274.9525515934.

The spelling of 20786112 in words is "twenty million, seven hundred eighty-six thousand, one hundred twelve".