1022010220 has 96 divisors (see below), whose sum is σ = 2712761856. Its totient is φ = 314150400.

The previous prime is 1022010211. The next prime is 1022010259. The reversal of 1022010220 is 220102201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1022010197 and 1022010206.

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, 107875 + ... + 116965.

It is an arithmetic number, because the mean of its divisors is an integer number (28257936).

Almost surely, 2^1022010220 is an apocalyptic number.

1022010220 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 1022010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356380928).

1022010220 is an abundant number, since it is smaller than the sum of its proper divisors (1690751636).

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

1022010220 is a wasteful number, since it uses less digits than its factorization.

1022010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191 (or 9189 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1022010220 is about 31968.8945695656. The cubic root of 1022010220 is about 1007.2835609417.

Adding to 1022010220 its reverse (220102201), we get a palindrome (1242112421).

The spelling of 1022010220 in words is "one billion, twenty-two million, ten thousand, two hundred twenty".