20800214 has 16 divisors (see below), whose sum is σ = 33598800. Its totient is φ = 9621504.

The previous prime is 20800201. The next prime is 20800229. The reversal of 20800214 is 41200802.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 20800192 and 20800201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (2099925).

Almost surely, 2^20800214 is an apocalyptic number.

20800214 is a deficient number, since it is larger than the sum of its proper divisors (12798586).

20800214 is a wasteful number, since it uses less digits than its factorization.

20800214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10447.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20800214 is about 4560.7251616382. The cubic root of 20800214 is about 275.0147165678.

The spelling of 20800214 in words is "twenty million, eight hundred thousand, two hundred fourteen".