20886714 has 64 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 6534000.

The previous prime is 20886713. The next prime is 20886739. The reversal of 20886714 is 41768802.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20886713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83089 + ... + 83339.

It is an arithmetic number, because the mean of its divisors is an integer number (771120).

Almost surely, 2^20886714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20886714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24675840).

20886714 is an abundant number, since it is smaller than the sum of its proper divisors (28464966).

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

20886714 is a wasteful number, since it uses less digits than its factorization.

20886714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 20886714 is about 4570.1984639619. The cubic root of 20886714 is about 275.3954157419.

The spelling of 20886714 in words is "twenty million, eight hundred eighty-six thousand, seven hundred fourteen".