20884914 has 48 divisors (see below), whose sum is σ = 48297600. Its totient is φ = 6503328.

The previous prime is 20884907. The next prime is 20884921. The reversal of 20884914 is 41948802.

It is an interprime number because it is at equal distance from previous prime (20884907) and next prime (20884921).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26632 + ... + 27404.

It is an arithmetic number, because the mean of its divisors is an integer number (1006200).

Almost surely, 2^20884914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20884914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24148800).

20884914 is an abundant number, since it is smaller than the sum of its proper divisors (27412686).

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

20884914 is a wasteful number, since it uses less digits than its factorization.

20884914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 20884914 is about 4570.0015317284. The cubic root of 20884914 is about 275.3875043971.

The spelling of 20884914 in words is "twenty million, eight hundred eighty-four thousand, nine hundred fourteen".