20775186496 has 63 divisors (see below), whose sum is σ = 42307768191. Its totient is φ = 10121806464.

The previous prime is 20775186491. The next prime is 20775186521. The reversal of 20775186496 is 69468157702.

The square root of 20775186496 is 144136.

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

It is a super-3 number, since 3×20775186496³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20775186491) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49582575 + ... + 49582993.

Almost surely, 2^20775186496 is an apocalyptic number.

20775186496 is the 144136-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20775186496

20775186496 is an abundant number, since it is smaller than the sum of its proper divisors (21532581695).

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

20775186496 is an frugal number, since it uses more digits than its factorization.

20775186496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 20775186496 in words is "twenty billion, seven hundred seventy-five million, one hundred eighty-six thousand, four hundred ninety-six".