10331222220 has 192 divisors, whose sum is σ = 35117913600. Its totient is φ = 2500657920.

The previous prime is 10331222207. The next prime is 10331222221. The reversal of 10331222220 is 2222213301.

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 = 10331222193 and 10331222202.

It is not an unprimeable number, because it can be changed into a prime (10331222221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6349047 + ... + 6350673.

It is an arithmetic number, because the mean of its divisors is an integer number (182905800).

Almost surely, 2^10331222220 is an apocalyptic number.

10331222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10331222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17558956800).

10331222220 is an abundant number, since it is smaller than the sum of its proper divisors (24786691380).

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

10331222220 is a wasteful number, since it uses less digits than its factorization.

10331222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10331222220 its reverse (2222213301), we get a palindrome (12553435521).

The spelling of 10331222220 in words is "ten billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty".