20944096992 has 576 divisors, whose sum is σ = 78153707520. Its totient is φ = 5337446400.

The previous prime is 20944096963. The next prime is 20944097003. The reversal of 20944096992 is 29969044902.

20944096992 is a `hidden beast` number, since 2 + 0 + 94 + 409 + 69 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31685142 + ... + 31685802.

It is an arithmetic number, because the mean of its divisors is an integer number (135683520).

Almost surely, 2^20944096992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20944096992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39076853760).

20944096992 is an abundant number, since it is smaller than the sum of its proper divisors (57209610528).

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

20944096992 is a wasteful number, since it uses less digits than its factorization.

20944096992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 20944096992 in words is "twenty billion, nine hundred forty-four million, ninety-six thousand, nine hundred ninety-two".