20065020260 has 48 divisors (see below), whose sum is σ = 42308115696. Its totient is φ = 7993393152.

The previous prime is 20065020259. The next prime is 20065020271. The reversal of 20065020260 is 6202056002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4182467584 + 15882552676 = 64672^2 + 126026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7287044 + ... + 7289796.

It is an arithmetic number, because the mean of its divisors is an integer number (881419077).

Almost surely, 2^20065020260 is an apocalyptic number.

20065020260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20065020260 is an abundant number, since it is smaller than the sum of its proper divisors (22243095436).

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

20065020260 is a wasteful number, since it uses less digits than its factorization.

20065020260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112 (or 4110 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20065020260 its reverse (6202056002), we get a palindrome (26267076262).

The spelling of 20065020260 in words is "twenty billion, sixty-five million, twenty thousand, two hundred sixty".