65020002056 has 16 divisors (see below), whose sum is σ = 121920042300. Its totient is φ = 32507990784.

The previous prime is 65020002043. The next prime is 65020002059.

It is a happy number.

65020002056 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 62517001156 + 2503000900 = 250034^2 + 50030^2 .

It is not an unprimeable number, because it can be changed into a prime (65020002059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109085 + ... + 376748.

Almost surely, 2^65020002056 is an apocalyptic number.

It is an amenable number.

65020002056 is a deficient number, since it is larger than the sum of its proper divisors (56900040244).

65020002056 is a wasteful number, since it uses less digits than its factorization.

65020002056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502568 (or 502564 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 6502000 and 2056, that added together give a palindrome (6504056).

The spelling of 65020002056 in words is "sixty-five billion, twenty million, two thousand, fifty-six".