20344748 has 12 divisors (see below), whose sum is σ = 35726880. Its totient is φ = 10137072.

The previous prime is 20344703. The next prime is 20344759. The reversal of 20344748 is 84744302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7508 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (2977240).

Almost surely, 2^20344748 is an apocalyptic number.

It is an amenable number.

20344748 is a deficient number, since it is larger than the sum of its proper divisors (15382132).

20344748 is a wasteful number, since it uses less digits than its factorization.

20344748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656 (or 17654 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 20344748 is about 4510.5152698999. The cubic root of 20344748 is about 272.9925351401.

The spelling of 20344748 in words is "twenty million, three hundred forty-four thousand, seven hundred forty-eight".