20863414 has 16 divisors (see below), whose sum is σ = 36766800. Its totient is φ = 8753760.

The previous prime is 20863411. The next prime is 20863429. The reversal of 20863414 is 41436802.

20863414 is a modest number, since divided by 63414 gives 208 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20863411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36189 + ... + 36760.

It is an arithmetic number, because the mean of its divisors is an integer number (2297925).

Almost surely, 2^20863414 is an apocalyptic number.

20863414 is a deficient number, since it is larger than the sum of its proper divisors (15903386).

20863414 is a wasteful number, since it uses less digits than its factorization.

20863414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72975.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20863414 is about 4567.6486292183. The cubic root of 20863414 is about 275.2929726178.

The spelling of 20863414 in words is "twenty million, eight hundred sixty-three thousand, four hundred fourteen".