20223562 has 8 divisors (see below), whose sum is σ = 31932000. Its totient is φ = 9579564.

The previous prime is 20223551. The next prime is 20223611. The reversal of 20223562 is 26532202.

It is a happy number.

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

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, 266062 + ... + 266137.

It is an arithmetic number, because the mean of its divisors is an integer number (3991500).

Almost surely, 2^20223562 is an apocalyptic number.

20223562 is a deficient number, since it is larger than the sum of its proper divisors (11708438).

20223562 is a wasteful number, since it uses less digits than its factorization.

20223562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532220.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20223562 is about 4497.0614850144. The cubic root of 20223562 is about 272.4494174272.

Adding to 20223562 its reverse (26532202), we get a palindrome (46755764).

The spelling of 20223562 in words is "twenty million, two hundred twenty-three thousand, five hundred sixty-two".