20260744 has 16 divisors (see below), whose sum is σ = 43416000. Its totient is φ = 8683152.

The previous prime is 20260741. The next prime is 20260781. The reversal of 20260744 is 44706202.

It is not an unprimeable number, because it can be changed into a prime (20260741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180844 + ... + 180955.

It is an arithmetic number, because the mean of its divisors is an integer number (2713500).

Almost surely, 2^20260744 is an apocalyptic number.

It is an amenable number.

20260744 is an abundant number, since it is smaller than the sum of its proper divisors (23155256).

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

20260744 is a wasteful number, since it uses less digits than its factorization.

20260744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361812 (or 361808 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20260744 is about 4501.1936194747. The cubic root of 20260744 is about 272.6162856949.

Adding to 20260744 its reverse (44706202), we get a palindrome (64966946).

The spelling of 20260744 in words is "twenty million, two hundred sixty thousand, seven hundred forty-four".