20344011 has 4 divisors (see below), whose sum is σ = 27125352. Its totient is φ = 13562672.

The previous prime is 20344007. The next prime is 20344033. The reversal of 20344011 is 11044302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20344011 - 2² = 20344007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20344111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3390666 + ... + 3390671.

It is an arithmetic number, because the mean of its divisors is an integer number (6781338).

Almost surely, 2^20344011 is an apocalyptic number.

20344011 is a deficient number, since it is larger than the sum of its proper divisors (6781341).

20344011 is an equidigital number, since it uses as much as digits as its factorization.

20344011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781340.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20344011 is about 4510.4335711769. The cubic root of 20344011 is about 272.9892386639.

Adding to 20344011 its reverse (11044302), we get a palindrome (31388313).

The spelling of 20344011 in words is "twenty million, three hundred forty-four thousand, eleven".