10604311220 has 12 divisors (see below), whose sum is σ = 22269053604. Its totient is φ = 4241724480.

The previous prime is 10604311219. The next prime is 10604311229. The reversal of 10604311220 is 2211340601.

It can be written as a sum of positive squares in 2 ways, for example, as 3167663524 + 7436647696 = 56282^2 + 86236^2 .

It is a super-2 number, since 2×10604311220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 530215561 = 10604311220 / (1 + 0 + 6 + 0 + 4 + 3 + 1 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10604311192 and 10604311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10604311229) 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, 265107761 + ... + 265107800.

It is an arithmetic number, because the mean of its divisors is an integer number (1855754467).

Almost surely, 2^10604311220 is an apocalyptic number.

10604311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10604311220 is an abundant number, since it is smaller than the sum of its proper divisors (11664742384).

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

10604311220 is a wasteful number, since it uses less digits than its factorization.

10604311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530215570 (or 530215568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10604311220 its reverse (2211340601), we get a palindrome (12815651821).

The spelling of 10604311220 in words is "ten billion, six hundred four million, three hundred eleven thousand, two hundred twenty".