20700573696 has 312 divisors, whose sum is σ = 66240944640. Its totient is φ = 6175948800.

The previous prime is 20700573683. The next prime is 20700573703. The reversal of 20700573696 is 69637500702.

20700573696 is a `hidden beast` number, since 2 + 0 + 70 + 0 + 573 + 6 + 9 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28790425 + ... + 28791143.

It is an arithmetic number, because the mean of its divisors is an integer number (212310720).

Almost surely, 2^20700573696 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 20700573696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33120472320).

20700573696 is an abundant number, since it is smaller than the sum of its proper divisors (45540370944).

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

20700573696 is a wasteful number, since it uses less digits than its factorization.

20700573696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 20700573696 in words is "twenty billion, seven hundred million, five hundred seventy-three thousand, six hundred ninety-six".