20262246 has 16 divisors (see below), whose sum is σ = 42657600. Its totient is φ = 6398568.

The previous prime is 20262239. The next prime is 20262257. The reversal of 20262246 is 64226202.

It is a super-2 number, since 2×20262246² = 821117225929032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 88756 + ... + 88983.

It is an arithmetic number, because the mean of its divisors is an integer number (2666100).

Almost surely, 2^20262246 is an apocalyptic number.

20262246 is an abundant number, since it is smaller than the sum of its proper divisors (22395354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20262246 is a wasteful number, since it uses less digits than its factorization.

20262246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177763.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20262246 is about 4501.3604610162. The cubic root of 20262246 is about 272.6230221955.

Adding to 20262246 its reverse (64226202), we get a palindrome (84488448).

The spelling of 20262246 in words is "twenty million, two hundred sixty-two thousand, two hundred forty-six".