20223886 has 8 divisors (see below), whose sum is σ = 30356424. Its totient is φ = 10105080.

The previous prime is 20223881. The next prime is 20223893. The reversal of 20223886 is 68832202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921 + ... + 6643.

It is an arithmetic number, because the mean of its divisors is an integer number (3794553).

Almost surely, 2^20223886 is an apocalyptic number.

20223886 is a deficient number, since it is larger than the sum of its proper divisors (10132538).

20223886 is a wasteful number, since it uses less digits than its factorization.

20223886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20223886 is about 4497.0975083936. The cubic root of 20223886 is about 272.4508723825.

The spelling of 20223886 in words is "twenty million, two hundred twenty-three thousand, eight hundred eighty-six".