20744035 has 16 divisors (see below), whose sum is σ = 26915616. Its totient is φ = 15257088.

The previous prime is 20744023. The next prime is 20744039. The reversal of 20744035 is 53044702.

It is a cyclic number.

It is not a de Polignac number, because 20744035 - 2¹⁵ = 20711267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20744039) 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 15 ways as a sum of consecutive naturals, for example, 21432 + ... + 22378.

It is an arithmetic number, because the mean of its divisors is an integer number (1682226).

Almost surely, 2^20744035 is an apocalyptic number.

20744035 is a deficient number, since it is larger than the sum of its proper divisors (6171581).

20744035 is a wasteful number, since it uses less digits than its factorization.

20744035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20744035 is about 4554.5619986998. The cubic root of 20744035 is about 274.7668988886.

Adding to 20744035 its reverse (53044702), we get a palindrome (73788737).

The spelling of 20744035 in words is "twenty million, seven hundred forty-four thousand, thirty-five".