20962223 has 16 divisors (see below), whose sum is σ = 22665216. Its totient is φ = 19340640.

The previous prime is 20962219. The next prime is 20962243. The reversal of 20962223 is 32226902.

It is a cyclic number.

It is not a de Polignac number, because 20962223 - 2² = 20962219 is a prime.

It is a super-3 number, since 3×20962223³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20962192 and 20962201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20962243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93890 + ... + 94112.

It is an arithmetic number, because the mean of its divisors is an integer number (1416576).

Almost surely, 2^20962223 is an apocalyptic number.

20962223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20962223 is a deficient number, since it is larger than the sum of its proper divisors (1702993).

20962223 is a wasteful number, since it uses less digits than its factorization.

20962223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20962223 is about 4578.4520309817. The cubic root of 20962223 is about 275.7268836105.

The spelling of 20962223 in words is "twenty million, nine hundred sixty-two thousand, two hundred twenty-three".