20714616 has 80 divisors (see below), whose sum is σ = 62508600. Its totient is φ = 6371136.

The previous prime is 20714609. The next prime is 20714621. The reversal of 20714616 is 61641702.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20714616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7195 + ... + 9653.

Almost surely, 2^20714616 is an apocalyptic number.

20714616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20714616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31254300).

20714616 is an abundant number, since it is smaller than the sum of its proper divisors (41793984).

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

20714616 is a wasteful number, since it uses less digits than its factorization.

20714616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 20714616 is about 4551.3312338260. The cubic root of 20714616 is about 274.6369468058.

The spelling of 20714616 in words is "twenty million, seven hundred fourteen thousand, six hundred sixteen".