10323311220 has 96 divisors (see below), whose sum is σ = 32131693440. Its totient is φ = 2751621120.

The previous prime is 10323311203. The next prime is 10323311231. The reversal of 10323311220 is 2211332301.

10323311220 is a `hidden beast` number, since 10 + 323 + 311 + 2 + 20 = 666.

10323311220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10323311193 and 10323311202.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2206804 + ... + 2211476.

It is an arithmetic number, because the mean of its divisors is an integer number (334705140).

Almost surely, 2^10323311220 is an apocalyptic number.

10323311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10323311220 is an abundant number, since it is smaller than the sum of its proper divisors (21808382220).

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

10323311220 is a wasteful number, since it uses less digits than its factorization.

10323311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782 (or 8774 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10323311220 its reverse (2211332301), we get a palindrome (12534643521).

The spelling of 10323311220 in words is "ten billion, three hundred twenty-three million, three hundred eleven thousand, two hundred twenty".