20744468 has 12 divisors (see below), whose sum is σ = 36352512. Its totient is φ = 10358040.

The previous prime is 20744467. The next prime is 20744497. The reversal of 20744468 is 86444702.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20744467) 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, 173 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (3029376).

Almost surely, 2^20744468 is an apocalyptic number.

It is an amenable number.

20744468 is a deficient number, since it is larger than the sum of its proper divisors (15608044).

20744468 is a wasteful number, since it uses less digits than its factorization.

20744468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102 (or 7100 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 20744468 is about 4554.6095332092. The cubic root of 20744468 is about 274.7688106549.

It can be divided in two parts, 20744 and 468, that added together give a palindrome (21212).

The spelling of 20744468 in words is "twenty million, seven hundred forty-four thousand, four hundred sixty-eight".