10683220365 has 24 divisors (see below), whose sum is σ = 18611595288. Its totient is φ = 5668790400.

The previous prime is 10683220363. The next prime is 10683220369. The reversal of 10683220365 is 56302238601.

It is a happy number.

10683220365 is a `hidden beast` number, since 10 + 68 + 3 + 220 + 365 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1812971241 + 8870249124 = 42579^2 + 94182^2 .

It is not a de Polignac number, because 10683220365 - 2¹ = 10683220363 is a prime.

It is a super-2 number, since 2×10683220365² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10683220363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 593686 + ... + 611415.

It is an arithmetic number, because the mean of its divisors is an integer number (775483137).

Almost surely, 2^10683220365 is an apocalyptic number.

10683220365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10683220365 is a deficient number, since it is larger than the sum of its proper divisors (7928374923).

10683220365 is a wasteful number, since it uses less digits than its factorization.

10683220365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205309 (or 1205306 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 10683220365 its reverse (56302238601), we get a palindrome (66985458966).

The spelling of 10683220365 in words is "ten billion, six hundred eighty-three million, two hundred twenty thousand, three hundred sixty-five".