20880223 has 12 divisors (see below), whose sum is σ = 26158440. Its totient is φ = 16520112.

The previous prime is 20880191. The next prime is 20880257. The reversal of 20880223 is 32208802.

It is not a de Polignac number, because 20880223 - 2⁵ = 20880191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20880283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15753 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (2179870).

Almost surely, 2^20880223 is an apocalyptic number.

20880223 is a deficient number, since it is larger than the sum of its proper divisors (5278217).

20880223 is a wasteful number, since it uses less digits than its factorization.

20880223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32806 (or 32799 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20880223 is about 4569.4882645653. The cubic root of 20880223 is about 275.3668844173.

It can be divided in two parts, 2088022 and 3, that added together give a square (2088025 = 1445²).

The spelling of 20880223 in words is "twenty million, eight hundred eighty thousand, two hundred twenty-three".