10213022220 has 96 divisors (see below), whose sum is σ = 29796076800. Its totient is φ = 2610580224.

The previous prime is 10213022207. The next prime is 10213022227. The reversal of 10213022220 is 2222031201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10213022220.

It is not an unprimeable number, because it can be changed into a prime (10213022227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220747 + ... + 262973.

It is an arithmetic number, because the mean of its divisors is an integer number (310375800).

Almost surely, 2^10213022220 is an apocalyptic number.

10213022220 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 10213022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14898038400).

10213022220 is an abundant number, since it is smaller than the sum of its proper divisors (19583054580).

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

10213022220 is a wasteful number, since it uses less digits than its factorization.

10213022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42407 (or 42405 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10213022220 its reverse (2222031201), we get a palindrome (12435053421).

The spelling of 10213022220 in words is "ten billion, two hundred thirteen million, twenty-two thousand, two hundred twenty".