20224210 has 8 divisors (see below), whose sum is σ = 36403596. Its totient is φ = 8089680.

The previous prime is 20224207. The next prime is 20224229. The reversal of 20224210 is 1242202.

It can be written as a sum of positive squares in 2 ways, for example, as 17799961 + 2424249 = 4219^2 + 1557^2 .

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, 1011201 + ... + 1011220.

Almost surely, 2^20224210 is an apocalyptic number.

20224210 is a deficient number, since it is larger than the sum of its proper divisors (16179386).

20224210 is a wasteful number, since it uses less digits than its factorization.

20224210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022428.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20224210 is about 4497.1335314842. The cubic root of 20224210 is about 272.4523273223.

Adding to 20224210 its reverse (1242202), we get a palindrome (21466412).

The spelling of 20224210 in words is "twenty million, two hundred twenty-four thousand, two hundred ten".