2065534020 has 288 divisors, whose sum is σ = 7231835520. Its totient is φ = 491287680.

The previous prime is 2065534013. The next prime is 2065534033. The reversal of 2065534020 is 204355602.

2065534020 is a `hidden beast` number, since 2 + 0 + 655 + 3 + 4 + 0 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38972314 + ... + 38972366.

It is an arithmetic number, because the mean of its divisors is an integer number (25110540).

Almost surely, 2^2065534020 is an apocalyptic number.

2065534020 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 2065534020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615917760).

2065534020 is an abundant number, since it is smaller than the sum of its proper divisors (5166301500).

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

2065534020 is an equidigital number, since it uses as much as digits as its factorization.

2065534020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2065534020 is about 45448.1464968595. The cubic root of 2065534020 is about 1273.5347041948.

Adding to 2065534020 its reverse (204355602), we get a palindrome (2269889622).

The spelling of 2065534020 in words is "two billion, sixty-five million, five hundred thirty-four thousand, twenty".