20092216 has 16 divisors (see below), whose sum is σ = 38888640. Its totient is φ = 9721920.

The previous prime is 20092201. The next prime is 20092339. The reversal of 20092216 is 61229002.

It is a happy number.

It is a super-3 number, since 3×20092216³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40261 + ... + 40756.

It is an arithmetic number, because the mean of its divisors is an integer number (2430540).

Almost surely, 2^20092216 is an apocalyptic number.

It is an amenable number.

20092216 is a deficient number, since it is larger than the sum of its proper divisors (18796424).

20092216 is a wasteful number, since it uses less digits than its factorization.

20092216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81054 (or 81050 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 20092216 is about 4482.4341601411. The cubic root of 20092216 is about 271.8583099985.

It can be divided in two parts, 2009 and 2216, that added together give a square (4225 = 65²).

The spelling of 20092216 in words is "twenty million, ninety-two thousand, two hundred sixteen".