20614716 has 96 divisors (see below), whose sum is σ = 57361920. Its totient is φ = 6386688.

The previous prime is 20614709. The next prime is 20614733. The reversal of 20614716 is 61741602.

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 20614716.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 106716 + ... + 106908.

It is an arithmetic number, because the mean of its divisors is an integer number (597520).

Almost surely, 2^20614716 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 20614716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28680960).

20614716 is an abundant number, since it is smaller than the sum of its proper divisors (36747204).

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

20614716 is a wasteful number, since it uses less digits than its factorization.

20614716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 264 counting only the distinct ones).

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

The square root of 20614716 is about 4540.3431588372. The cubic root of 20614716 is about 274.1947396393.

The spelling of 20614716 in words is "twenty million, six hundred fourteen thousand, seven hundred sixteen".