65020203133 has 8 divisors (see below), whose sum is σ = 66630163320. Its totient is φ = 63411390720.

The previous prime is 65020203089. The next prime is 65020203187. The reversal of 65020203133 is 33130202056.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4051704409 + 60968498724 = 63653^2 + 246918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65020203133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65020203098 and 65020203107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65020203233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171678 + ... + 399391.

It is an arithmetic number, because the mean of its divisors is an integer number (8328770415).

Almost surely, 2^65020203133 is an apocalyptic number.

It is an amenable number.

65020203133 is a deficient number, since it is larger than the sum of its proper divisors (1609960187).

65020203133 is a wasteful number, since it uses less digits than its factorization.

65020203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573887.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 65020203133 its reverse (33130202056), we get a palindrome (98150405189).

The spelling of 65020203133 in words is "sixty-five billion, twenty million, two hundred three thousand, one hundred thirty-three".