20795544000 has 1344 divisors, whose sum is σ = 96527867904. Its totient is φ = 4181760000.

The previous prime is 20795543999. The next prime is 20795544013. The reversal of 20795544000 is 44559702.

20795544000 is a `hidden beast` number, since 20 + 7 + 95 + 544 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 670823985 + ... + 670824015.

Almost surely, 2^20795544000 is an apocalyptic number.

20795544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20795544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48263933952).

20795544000 is an abundant number, since it is smaller than the sum of its proper divisors (75732323904).

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

20795544000 is a wasteful number, since it uses less digits than its factorization.

20795544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 20795544000 in words is "twenty billion, seven hundred ninety-five million, five hundred forty-four thousand".