20244011 has 4 divisors (see below), whose sum is σ = 20253024. Its totient is φ = 20235000.

The previous prime is 20243989. The next prime is 20244041. The reversal of 20244011 is 11044202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20244011 - 2⁶ = 20243947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244041) 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, 1886 + ... + 6636.

It is an arithmetic number, because the mean of its divisors is an integer number (5063256).

Almost surely, 2^20244011 is an apocalyptic number.

20244011 is a deficient number, since it is larger than the sum of its proper divisors (9013).

20244011 is an equidigital number, since it uses as much as digits as its factorization.

20244011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20244011 is about 4499.3345063465. The cubic root of 20244011 is about 272.5412153241.

Adding to 20244011 its reverse (11044202), we get a palindrome (31288213).

The spelling of 20244011 in words is "twenty million, two hundred forty-four thousand, eleven".