9744656020 has 48 divisors (see below), whose sum is σ = 23637313728. Its totient is φ = 3335068160.

The previous prime is 9744655927. The next prime is 9744656039. The reversal of 9744656020 is 206564479.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299022 + ... + 1306501.

It is an arithmetic number, because the mean of its divisors is an integer number (492444036).

Almost surely, 2^9744656020 is an apocalyptic number.

It is an amenable number.

9744656020 is an abundant number, since it is smaller than the sum of its proper divisors (13892657708).

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

9744656020 is a wasteful number, since it uses less digits than its factorization.

9744656020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605560 (or 2605558 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 9744656020 is about 98715.0242870861. The cubic root of 9744656020 is about 2135.9389617822.

The spelling of 9744656020 in words is "nine billion, seven hundred forty-four million, six hundred fifty-six thousand, twenty".