20242210 has 8 divisors (see below), whose sum is σ = 36435996. Its totient is φ = 8096880.

The previous prime is 20242199. The next prime is 20242213. The reversal of 20242210 is 1224202.

It can be written as a sum of positive squares in 2 ways, for example, as 17867529 + 2374681 = 4227^2 + 1541^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20242213) 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, 1012101 + ... + 1012120.

Almost surely, 2^20242210 is an apocalyptic number.

20242210 is a deficient number, since it is larger than the sum of its proper divisors (16193786).

20242210 is a wasteful number, since it uses less digits than its factorization.

20242210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024228.

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

The square root of 20242210 is about 4499.1343611855. The cubic root of 20242210 is about 272.5331329126.

Adding to 20242210 its reverse (1224202), we get a palindrome (21466412).

The spelling of 20242210 in words is "twenty million, two hundred forty-two thousand, two hundred ten".