20208604752 has 180 divisors, whose sum is σ = 68662185696. Its totient is φ = 5434168320.

The previous prime is 20208604739. The next prime is 20208604753. The reversal of 20208604752 is 25740680202.

20208604752 is a `hidden beast` number, since 20 + 20 + 8 + 604 + 7 + 5 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20208604753) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256627 + ... + 325997.

Almost surely, 2^20208604752 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 20208604752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34331092848).

20208604752 is an abundant number, since it is smaller than the sum of its proper divisors (48453580944).

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

20208604752 is a wasteful number, since it uses less digits than its factorization.

20208604752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69426 (or 69400 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 20208604752 in words is "twenty billion, two hundred eight million, six hundred four thousand, seven hundred fifty-two".