2065563500 has 192 divisors, whose sum is σ = 6058450944. Its totient is φ = 594144000.

The previous prime is 2065563497. The next prime is 2065563551. The reversal of 2065563500 is 53655602.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 498437 + ... + 502563.

It is an arithmetic number, because the mean of its divisors is an integer number (31554432).

Almost surely, 2^2065563500 is an apocalyptic number.

2065563500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065563500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029225472).

2065563500 is an abundant number, since it is smaller than the sum of its proper divisors (3992887444).

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

2065563500 is a wasteful number, since it uses less digits than its factorization.

2065563500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177 (or 4165 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 2065563500 is about 45448.4708213599. The cubic root of 2065563500 is about 1273.5407629386.

It can be divided in two parts, 2065 and 563500, that added together give a palindrome (565565).

The spelling of 2065563500 in words is "two billion, sixty-five million, five hundred sixty-three thousand, five hundred".