200520061056 has 1024 divisors, whose sum is σ = 753984000000. Its totient is φ = 52233818112.

The previous prime is 200520061031. The next prime is 200520061061. The reversal of 200520061056 is 650160025002.

200520061056 is a `hidden beast` number, since 20 + 0 + 5 + 20 + 0 + 610 + 5 + 6 = 666.

200520061056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 653159655 + ... + 653159961.

It is an arithmetic number, because the mean of its divisors is an integer number (736312500).

Almost surely, 2^200520061056 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 200520061056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376992000000).

200520061056 is an abundant number, since it is smaller than the sum of its proper divisors (553463938944).

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

200520061056 is a wasteful number, since it uses less digits than its factorization.

200520061056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 200520061056 its reverse (650160025002), we get a palindrome (850680086058).

The spelling of 200520061056 in words is "two hundred billion, five hundred twenty million, sixty-one thousand, fifty-six".