20050560000 has 495 divisors, whose sum is σ = 73593279331. Its totient is φ = 5256192000.

The previous prime is 20050559953. The next prime is 20050560007. The reversal of 20050560000 is 6505002.

The square root of 20050560000 is 141600.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 1571963904 + 18478596096 = 39648^2 + 135936^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20050560007) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 339839971 + ... + 339840029.

Almost surely, 2^20050560000 is an apocalyptic number.

20050560000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

20050560000 is the 141600-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20050560000

20050560000 is an abundant number, since it is smaller than the sum of its proper divisors (53542719331).

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

20050560000 is an frugal number, since it uses more digits than its factorization.

20050560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The spelling of 20050560000 in words is "twenty billion, fifty million, five hundred sixty thousand".